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Examples include taxes, interest, rent and utilities. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).","units":{"USD":[{"end":"2016-12-31","val":1147000,"accn":"0001493152-17-012428","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-06","frame":"CY2016Q4I"},{"end":"2017-09-30","val":1281000,"accn":"0001493152-17-012428","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-06","frame":"CY2017Q3I"}]}},"AccruedRoyaltiesCurrent":{"label":"Accrued Royalties, Current","description":"Carrying value as of the balance sheet date of obligations incurred through that date and payable for royalties. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).","units":{"USD":[{"end":"2012-12-31","val":106000,"accn":"0001047469-14-002860","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-24","frame":"CY2012Q4I"},{"end":"2013-12-31","val":211000,"accn":"0001047469-14-002860","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-24"},{"end":"2013-12-31","val":211000,"accn":"0001047469-15-002355","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-17","frame":"CY2013Q4I"},{"end":"2014-12-31","val":252000,"accn":"0001047469-15-002355","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-17"},{"end":"2014-12-31","val":252000,"accn":"0001104659-16-098089","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-18","frame":"CY2014Q4I"},{"end":"2015-12-31","val":285000,"accn":"0001104659-16-098089","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-18"},{"end":"2015-12-31","val":285000,"accn":"0001493152-17-002118","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-03","frame":"CY2015Q4I"},{"end":"2016-12-31","val":322000,"accn":"0001493152-17-002118","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-03","frame":"CY2016Q4I"}]}},"AccruedVacationCurrent":{"label":"Accrued Vacation, Current","description":"Carrying value as of the balance sheet date of obligations incurred and payable for unused vacation time owed to employees based on the entity's vacation benefit given to its employees. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).","units":{"USD":[{"end":"2011-12-31","val":168000,"accn":"0001047469-13-003318","fy":2012,"fp":"FY","form":"10-K","filed":"2013-03-25","frame":"CY2011Q4I"},{"end":"2012-12-31","val":143000,"accn":"0001047469-13-003318","fy":2012,"fp":"FY","form":"10-K","filed":"2013-03-25"},{"end":"2012-12-31","val":143000,"accn":"0001047469-14-002860","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-24","frame":"CY2012Q4I"},{"end":"2013-12-31","val":144000,"accn":"0001047469-14-002860","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-24"},{"end":"2013-12-31","val":144000,"accn":"0001047469-15-002355","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-17","frame":"CY2013Q4I"},{"end":"2014-12-31","val":207000,"accn":"0001047469-15-002355","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-17"},{"end":"2014-12-31","val":207000,"accn":"0001104659-16-098089","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-18","frame":"CY2014Q4I"},{"end":"2015-12-31","val":237000,"accn":"0001104659-16-098089","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-18"},{"end":"2015-12-31","val":237000,"accn":"0001493152-17-002118","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-03","frame":"CY2015Q4I"},{"end":"2016-12-31","val":272000,"accn":"0001493152-17-002118","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-03","frame":"CY2016Q4I"}]}},"AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment":{"label":"Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment","description":"Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.","units":{"USD":[{"end":"2011-12-31","val":1409000,"accn":"0001047469-13-003318","fy":2012,"fp":"FY","form":"10-K","filed":"2013-03-25","frame":"CY2011Q4I"},{"end":"2012-12-31","val":1685000,"accn":"0001047469-13-003318","fy":2012,"fp":"FY","form":"10-K","filed":"2013-03-25"},{"end":"2012-12-31","val":1685000,"accn":"0001047469-14-002860","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-24","frame":"CY2012Q4I"},{"end":"2013-12-31","val":1702000,"accn":"0001047469-14-002860","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-24"},{"end":"2013-12-31","val":1702000,"accn":"0001047469-15-002355","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-17","frame":"CY2013Q4I"},{"end":"2014-12-31","val":1595000,"accn":"0001047469-15-002355","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-17"},{"end":"2014-12-31","val":1595000,"accn":"0001104659-16-098089","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-18","frame":"CY2014Q4I"},{"end":"2015-12-31","val":1558000,"accn":"0001104659-16-098089","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-18"},{"end":"2015-12-31","val":1558000,"accn":"0001493152-17-002118","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-03","frame":"CY2015Q4I"},{"end":"2016-12-31","val":1788000,"accn":"0001493152-17-002118","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-03","frame":"CY2016Q4I"}]}},"AccumulatedOtherComprehensiveIncomeLossNetOfTax":{"label":"Accumulated Other Comprehensive Income (Loss), Net of Tax","description":"Accumulated change in equity from transactions and other events and circumstances from non-owner sources, net of tax effect, at period end. Excludes Net Income (Loss), and accumulated changes in equity from transactions resulting from investments by owners and distributions to owners. Includes foreign currency translation items, certain pension adjustments, unrealized gains and losses on certain investments in debt and equity securities, other than temporary impairment (OTTI) losses related to factors other than credit losses on available-for-sale and held-to-maturity debt securities that an entity does not intend to sell and it is not more likely than not that the entity will be required to sell before recovery of the amortized cost basis, as well as changes in the fair value of derivatives related to the effective portion of a designated cash flow hedge.","units":{"USD":[{"end":"2013-12-31","val":-4000,"accn":"0001047469-14-002860","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-24"},{"end":"2013-12-31","val":-4000,"accn":"0001104659-14-037334","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12"},{"end":"2013-12-31","val":-4000,"accn":"0001104659-14-059374","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-11"},{"end":"2013-12-31","val":-4000,"accn":"0001104659-14-080017","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-13"},{"end":"2013-12-31","val":-4000,"accn":"0001047469-15-002355","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-17","frame":"CY2013Q4I"},{"end":"2014-03-31","val":-9000,"accn":"0001104659-14-037334","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12","frame":"CY2014Q1I"},{"end":"2014-06-30","val":-4000,"accn":"0001104659-14-059374","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-11","frame":"CY2014Q2I"},{"end":"2014-09-30","val":-4000,"accn":"0001104659-14-080017","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-13","frame":"CY2014Q3I"},{"end":"2014-12-31","val":-3000,"accn":"0001047469-15-002355","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-17"},{"end":"2014-12-31","val":-3000,"accn":"0001104659-15-038171","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-14"},{"end":"2014-12-31","val":-3000,"accn":"0001104659-15-057735","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"end":"2014-12-31","val":-3000,"accn":"0001104659-15-078170","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-12"},{"end":"2014-12-31","val":-3000,"accn":"0001104659-16-098089","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-18","frame":"CY2014Q4I"},{"end":"2015-03-31","val":1000,"accn":"0001104659-15-038171","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-14","frame":"CY2015Q1I"},{"end":"2015-06-30","val":1000,"accn":"0001104659-15-057735","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2015Q2I"},{"end":"2015-09-30","val":1000,"accn":"0001104659-15-078170","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-12","frame":"CY2015Q3I"},{"end":"2015-12-31","val":-2000,"accn":"0001104659-16-098089","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-18"},{"end":"2015-12-31","val":-2000,"accn":"0001493152-16-009585","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-10"},{"end":"2015-12-31","val":-2000,"accn":"0001493152-16-012039","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"end":"2015-12-31","val":-2000,"accn":"0001493152-16-014579","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-07"},{"end":"2015-12-31","val":-2000,"accn":"0001493152-17-002118","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-03","frame":"CY2015Q4I"}]}},"AdditionalPaidInCapital":{"label":"Additional Paid in Capital","description":"Excess of issue price over par or stated value of the entity's capital stock and amounts received from other transactions involving the entity's stock or stockholders. Includes adjustments to additional paid in capital. Some examples of such adjustments include recording the issuance of debt with a beneficial conversion feature and certain tax consequences of equity instruments awarded to employees. Use this element for the aggregate amount of additional paid-in capital associated with common and preferred stock. For additional paid-in capital associated with only common stock, use the element additional paid in capital, common stock. For additional paid-in capital associated with only preferred stock, use the element additional paid in capital, preferred 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Short-term investments, exclusive of cash equivalents, generally consist of marketable securities intended to be sold within one year (or the normal operating cycle if longer) and may include trading securities, available-for-sale securities, or held-to-maturity securities (if maturing within one year), as applicable.","units":{"USD":[{"end":"2013-12-31","val":14040000,"accn":"0001047469-14-002860","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-24"},{"end":"2013-12-31","val":14040000,"accn":"0001104659-14-037334","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12"},{"end":"2013-12-31","val":14040000,"accn":"0001104659-14-059374","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-11"},{"end":"2013-12-31","val":14040000,"accn":"0001104659-14-080017","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-13"},{"end":"2013-12-31","val":14040000,"accn":"0001047469-15-002355","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-17","frame":"CY2013Q4I"},{"end":"2014-03-31","val":12505000,"accn":"0001104659-14-037334","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-12","frame":"CY2014Q1I"},{"end":"2014-06-30","val":10102000,"accn":"0001104659-14-059374","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-11","frame":"CY2014Q2I"},{"end":"2014-09-30","val":7384000,"accn":"0001104659-14-080017","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-13","frame":"CY2014Q3I"},{"end":"2014-12-31","val":5243000,"accn":"0001047469-15-002355","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-17"},{"end":"2014-12-31","val":5243000,"accn":"0001104659-15-038171","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-14"},{"end":"2014-12-31","val":5240000,"accn":"0001104659-15-057735","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"},{"end":"2014-12-31","val":5240000,"accn":"0001104659-15-078170","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-12"},{"end":"2014-12-31","val":5240000,"accn":"0001104659-16-098089","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-18","frame":"CY2014Q4I"},{"end":"2015-03-31","val":8729000,"accn":"0001104659-15-038171","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-14","frame":"CY2015Q1I"},{"end":"2015-06-30","val":7125000,"accn":"0001104659-15-057735","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07","frame":"CY2015Q2I"},{"end":"2015-09-30","val":5549000,"accn":"0001104659-15-078170","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-12","frame":"CY2015Q3I"},{"end":"2015-12-31","val":3901000,"accn":"0001104659-16-098089","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-18","frame":"CY2015Q4I"},{"end":"2016-03-31","val":6600000,"accn":"0001493152-16-009585","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-10","frame":"CY2016Q1I"},{"end":"2016-06-30","val":5200000,"accn":"0001493152-16-012039","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05","frame":"CY2016Q2I"},{"end":"2016-09-30","val":4300000,"accn":"0001493152-16-014579","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-07","frame":"CY2016Q3I"},{"end":"2016-12-31","val":3700000,"accn":"0001493152-17-002118","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-03","frame":"CY2016Q4I"},{"end":"2017-03-31","val":3200000,"accn":"0001493152-17-005096","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-12","frame":"CY2017Q1I"},{"end":"2017-06-30","val":3000000,"accn":"0001493152-17-008925","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-11","frame":"CY2017Q2I"},{"end":"2017-09-30","val":2400000,"accn":"0001493152-17-012428","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-06","frame":"CY2017Q3I"}]}},"CashEquivalentsAtCarryingValue":{"label":"Cash Equivalents, at Carrying Value","description":"Amount of short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. 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2016-04-01","end":"2016-06-30","val":-9000,"accn":"0001493152-16-012039","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"start":"2016-04-01","end":"2016-06-30","val":-9000,"accn":"0001493152-17-008925","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-11","frame":"CY2016Q2"},{"start":"2016-01-01","end":"2016-09-30","val":-33000,"accn":"0001493152-16-014579","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-07"},{"start":"2016-01-01","end":"2016-09-30","val":-33000,"accn":"0001493152-17-012428","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-06"},{"start":"2016-07-01","end":"2016-09-30","val":-10000,"accn":"0001493152-16-014579","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-07"},{"start":"2016-07-01","end":"2016-09-30","val":-10000,"accn":"0001493152-17-012428","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-06","frame":"CY2016Q3"},{"start":"2016-01-01","end":"2016-12-31","val":-47000,"accn":"0001493152-17-002118","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-03","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":-1000,"accn":"0001493152-17-005096","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-12","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":1000,"accn":"0001493152-17-008925","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-11"},{"start":"2017-04-01","end":"2017-06-30","val":2000,"accn":"0001493152-17-008925","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-11","frame":"CY2017Q2"},{"start":"2017-01-01","end":"2017-09-30","val":5000,"accn":"0001493152-17-012428","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-06"},{"start":"2017-07-01","end":"2017-09-30","val":4000,"accn":"0001493152-17-012428","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-06","frame":"CY2017Q3"}]}},"NotesPayable":{"label":"Notes Payable","description":"Including the current and noncurrent portions, aggregate carrying amount of all types of notes payable, as of the balance sheet date, with initial maturities beyond one year or beyond the normal operating cycle, if longer.","units":{"USD":[{"end":"2015-12-31","val":158000,"accn":"0001493152-16-009585","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-10"},{"end":"2015-12-31","val":158000,"accn":"0001493152-16-012039","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"end":"2015-12-31","val":158000,"accn":"0001493152-16-014579","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-07"},{"end":"2015-12-31","val":158000,"accn":"0001493152-17-002118","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-03","frame":"CY2015Q4I"},{"end":"2016-03-31","val":130000,"accn":"0001493152-16-009585","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-10","frame":"CY2016Q1I"},{"end":"2016-06-30","val":102000,"accn":"0001493152-16-012039","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05","frame":"CY2016Q2I"},{"end":"2016-09-30","val":72000,"accn":"0001493152-16-014579","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-07","frame":"CY2016Q3I"},{"end":"2016-12-31","val":42000,"accn":"0001493152-17-002118","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-03"},{"end":"2016-12-31","val":42000,"accn":"0001493152-17-005096","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-12","frame":"CY2016Q4I"},{"end":"2017-03-31","val":11000,"accn":"0001493152-17-005096","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-12","frame":"CY2017Q1I"}]}},"NotesPayableCurrent":{"label":"Notes Payable, Current","description":"Sum of the carrying values as of the balance sheet date of the portions of long-term notes payable due within one year or the operating cycle if 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