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Purchase Commitment, Amount","description":"The minimum amount the entity agreed to spend under the long-term purchase 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Business Combination Costs (Deprecated 2013-01-31)","description":"Amount of direct costs of an unsuccessful business combination including legal, accounting, and other costs that were charged to expense during the period, but may have been capitalized had the contemplated transaction been completed.","units":{"USD":[{"start":"2008-01-01","end":"2008-12-31","val":-481000,"accn":"0001033905-11-000007","fy":2010,"fp":"FY","form":"10-K","filed":"2011-02-25","frame":"CY2008"},{"start":"2009-01-01","end":"2009-12-31","val":0,"accn":"0001033905-11-000007","fy":2010,"fp":"FY","form":"10-K","filed":"2011-02-25","frame":"CY2009"},{"start":"2010-01-01","end":"2010-12-31","val":0,"accn":"0001033905-11-000007","fy":2010,"fp":"FY","form":"10-K","filed":"2011-02-25","frame":"CY2010"}]}},"MoneyMarketFundsAtCarryingValue":{"label":"Money Market Funds, at Carrying Value","description":"Investment in short-term money-market instruments (such as commercial paper, banker's acceptances, repurchase 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Generally, only investments with original maturities of three months or less qualify as cash equivalents by definition. Original maturity means an original maturity to the entity holding the investment. For example, both a three-month US Treasury bill and a three-year Treasury note purchased three months from maturity qualify as cash equivalents. However, a Treasury note purchased three-years ago does not become a cash equivalent when its remaining maturity is three months.","units":{"USD":[{"end":"2019-12-31","val":707000,"accn":"0001033905-20-000114","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-05"},{"end":"2019-12-31","val":707000,"accn":"0001033905-20-000138","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-06","frame":"CY2019Q4I"},{"end":"2020-03-31","val":707000,"accn":"0001033905-21-000035","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2020Q1I"},{"end":"2020-06-30","val":707000,"accn":"0001033905-20-000114","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-05","frame":"CY2020Q2I"},{"end":"2020-09-30","val":707000,"accn":"0001033905-20-000138","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-06","frame":"CY2020Q3I"},{"end":"2021-03-31","val":707000,"accn":"0001033905-21-000035","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2021Q1I"}]}},"NetCashProvidedByUsedInFinancingActivities":{"label":"Net Cash Provided by (Used in) Financing Activities","description":"Amount of cash inflow (outflow) from financing activities, including discontinued operations. 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Examples include land, buildings, machinery and equipment, and other types of furniture and equipment including, but not limited to, office equipment, furniture and fixtures, and computer equipment and software.","units":{"Y":[{"start":"2011-01-01","end":"2011-12-31","val":7,"accn":"0001033905-12-000008","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2011"}]}},"PropertyPlantAndEquipmentUsefulLifeMinimum":{"label":"Property, Plant and Equipment, Useful Life, Minimum (Deprecated 2012-01-31)","description":"The minimum useful life of long lived, physical assets used in the normal conduct of business and not intended for resale. Examples include land, buildings, machinery and equipment, and other types of furniture and equipment including, but not limited to, office equipment, furniture and fixtures, and computer equipment and software.","units":{"Y":[{"start":"2011-01-01","end":"2011-12-31","val":2,"accn":"0001033905-12-000008","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2011"}]}},"PurchaseCommitmentRemainingMinimumAmountCommitted":{"label":"Purchase Commitment, Remaining Minimum Amount Committed","description":"Minimum amount to be expended to satisfy the terms of arrangements in which the entity has agreed to expend funds to procure goods or services, excluding long-term purchase commitments or unconditional purchase 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Direct selling expenses (for example, credit, warranty, and advertising) are expenses that can be directly linked to the sale of specific products. Indirect selling expenses are expenses that cannot be directly linked to the sale of specific products, for example telephone expenses, Internet, and postal charges. General and administrative expenses include salaries of non-sales personnel, rent, utilities, communication, 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