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changes.","units":{"USD":[{"start":"2010-01-01","end":"2010-06-30","val":-137932,"accn":"0000792989-11-000013","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-09-09"},{"start":"2010-01-01","end":"2010-09-30","val":-126215,"accn":"0000844048-11-000010","fy":2011,"fp":"Q3","form":"10-Q/A","filed":"2011-11-15"},{"start":"2010-01-01","end":"2010-12-31","val":-57966,"accn":"0000844048-12-000019","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-23","frame":"CY2010"},{"start":"2011-01-01","end":"2011-03-31","val":-44233,"accn":"0000844048-12-000049","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-15","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":-217776,"accn":"0000792989-11-000013","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-09-09"},{"start":"2011-01-01","end":"2011-06-30","val":-217776,"accn":"0000764586-12-000009","fy":2012,"fp":"Q2","form":"10-Q/A","filed":"2012-09-17"},{"start":"2011-01-01","end":"2011-09-30","val":-243330,"accn":"0000844048-11-000010","fy":2011,"fp":"Q3","form":"10-Q/A","filed":"2011-11-15"},{"start":"2011-01-01","end":"2011-09-30","val":-243330,"accn":"0000764586-12-000013","fy":2012,"fp":"Q3","form":"10-Q/A","filed":"2012-11-23"},{"start":"2011-01-01","end":"2011-09-30","val":-243330,"accn":"0000764586-12-000015","fy":2012,"fp":"Q3","form":"10-Q/A","filed":"2012-11-23"},{"start":"2011-01-01","end":"2011-12-31","val":-166651,"accn":"0000844048-12-000019","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-23"},{"start":"2011-01-01","end":"2011-12-31","val":-166551,"accn":"0000764586-13-000005","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-04-08","frame":"CY2011"},{"start":"2012-01-01","end":"2012-03-31","val":-5702,"accn":"0000844048-12-000049","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-15"},{"start":"2012-01-01","end":"2012-03-31","val":-5702,"accn":"0000764586-13-000012","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2013-05-21","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":-191475,"accn":"0000764586-12-000009","fy":2012,"fp":"Q2","form":"10-Q/A","filed":"2012-09-17"},{"start":"2012-01-01","end":"2012-06-30","val":-191475,"accn":"0000764586-13-000018","fy":2013,"fp":"Q2","form":"10-Q/A","filed":"2013-08-20"},{"start":"2012-01-01","end":"2012-09-30","val":-142481,"accn":"0000764586-12-000013","fy":2012,"fp":"Q3","form":"10-Q/A","filed":"2012-11-23"},{"start":"2012-01-01","end":"2012-09-30","val":-142481,"accn":"0000764586-12-000015","fy":2012,"fp":"Q3","form":"10-Q/A","filed":"2012-11-23"},{"start":"2012-01-01","end":"2012-09-30","val":-142481,"accn":"0000764586-13-000033","fy":2013,"fp":"Q3","form":"10-Q/A","filed":"2013-11-22"},{"start":"2012-01-01","end":"2012-12-31","val":-155498,"accn":"0000764586-13-000005","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-04-08"},{"start":"2012-01-01","end":"2012-12-31","val":-155498,"accn":"0000764586-14-000002","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-28","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":8834,"accn":"0000764586-13-000012","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2013-05-21"},{"start":"2013-01-01","end":"2013-03-31","val":13284,"accn":"0000764586-14-000006","fy":2014,"fp":"Q1","form":"10-Q/A","filed":"2014-05-23","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":-98923,"accn":"0000764586-13-000018","fy":2013,"fp":"Q2","form":"10-Q/A","filed":"2013-08-20"},{"start":"2013-01-01","end":"2013-06-30","val":-98923,"accn":"0000764586-14-000011","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-19"},{"start":"2013-01-01","end":"2013-09-30","val":-78294,"accn":"0000764586-13-000033","fy":2013,"fp":"Q3","form":"10-Q/A","filed":"2013-11-22"},{"start":"2013-01-01","end":"2013-09-30","val":-78294,"accn":"0000764586-14-000027","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-20"},{"start":"2013-01-01","end":"2013-12-31","val":-174252,"accn":"0000764586-14-000002","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-28"},{"start":"2013-01-01","end":"2013-12-31","val":-112312,"accn":"0000764586-15-000008","fy":2014,"fp":"Q4","form":"10-K","filed":"2015-04-09","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":83672,"accn":"0000764586-14-000006","fy":2014,"fp":"Q1","form":"10-Q/A","filed":"2014-05-23","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":127323,"accn":"0000764586-14-000011","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-19"},{"start":"2014-01-01","end":"2014-09-30","val":257631,"accn":"0000764586-14-000027","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-20"},{"start":"2014-01-01","end":"2014-12-31","val":342847,"accn":"0000764586-15-000008","fy":2014,"fp":"Q4","form":"10-K","filed":"2015-04-09","frame":"CY2014"}]}},"CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations":{"label":"Cash Provided by (Used in) Operating Activities, Discontinued Operations","description":"Amount of cash inflow (outflow) of operating activities of discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities.","units":{"USD":[{"start":"2013-01-01","end":"2013-12-31","val":1008224,"accn":"0000764586-15-000008","fy":2014,"fp":"Q4","form":"10-K","filed":"2015-04-09","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":1529804,"accn":"0000764586-15-000008","fy":2014,"fp":"Q4","form":"10-K","filed":"2015-04-09","frame":"CY2014"}]}},"DeferredRevenue":{"label":"Deferred Revenue","description":"Amount of deferred income and obligation to transfer product and service to customer for which consideration has been received or is receivable.","units":{"USD":[{"end":"2010-12-31","val":45369,"accn":"0000792989-11-000013","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-09-09"},{"end":"2010-12-31","val":45369,"accn":"0000844048-11-000010","fy":2011,"fp":"Q3","form":"10-Q/A","filed":"2011-11-15"},{"end":"2010-12-31","val":45369,"accn":"0000844048-12-000019","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-23","frame":"CY2010Q4I"},{"end":"2011-06-30","val":44827,"accn":"0000792989-11-000013","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-09-09","frame":"CY2011Q2I"},{"end":"2011-09-30","val":46548,"accn":"0000844048-11-000010","fy":2011,"fp":"Q3","form":"10-Q/A","filed":"2011-11-15","frame":"CY2011Q3I"},{"end":"2011-12-31","val":41192,"accn":"0000844048-12-000019","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-23"},{"end":"2011-12-31","val":41192,"accn":"0000844048-12-000049","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-15"},{"end":"2011-12-31","val":41192,"accn":"0000764586-12-000009","fy":2012,"fp":"Q2","form":"10-Q/A","filed":"2012-09-17"},{"end":"2011-12-31","val":41192,"accn":"0000764586-12-000013","fy":2012,"fp":"Q3","form":"10-Q/A","filed":"2012-11-23"},{"end":"2011-12-31","val":41192,"accn":"0000764586-12-000015","fy":2012,"fp":"Q3","form":"10-Q/A","filed":"2012-11-23"},{"end":"2011-12-31","val":41192,"accn":"0000764586-13-000005","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-04-08","frame":"CY2011Q4I"},{"end":"2012-03-31","val":41917,"accn":"0000844048-12-000049","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-15","frame":"CY2012Q1I"},{"end":"2012-06-30","val":48039,"accn":"0000764586-12-000009","fy":2012,"fp":"Q2","form":"10-Q/A","filed":"2012-09-17","frame":"CY2012Q2I"},{"end":"2012-09-30","val":52381,"accn":"0000764586-12-000013","fy":2012,"fp":"Q3","form":"10-Q/A","filed":"2012-11-23"},{"end":"2012-09-30","val":52381,"accn":"0000764586-12-000015","fy":2012,"fp":"Q3","form":"10-Q/A","filed":"2012-11-23","frame":"CY2012Q3I"},{"end":"2012-12-31","val":43995,"accn":"0000764586-13-000005","fy":2012,"fp":"FY","form":"10-K/A","filed":"2013-04-08"},{"end":"2012-12-31","val":43995,"accn":"0000764586-13-000012","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2013-05-21"},{"end":"2012-12-31","val":43995,"accn":"0000764586-13-000018","fy":2013,"fp":"Q2","form":"10-Q/A","filed":"2013-08-20"},{"end":"2012-12-31","val":43995,"accn":"0000764586-13-000033","fy":2013,"fp":"Q3","form":"10-Q/A","filed":"2013-11-22"},{"end":"2012-12-31","val":43995,"accn":"0000764586-14-000002","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-28","frame":"CY2012Q4I"},{"end":"2013-03-31","val":45234,"accn":"0000764586-13-000012","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2013-05-21","frame":"CY2013Q1I"},{"end":"2013-06-30","val":51869,"accn":"0000764586-13-000018","fy":2013,"fp":"Q2","form":"10-Q/A","filed":"2013-08-20","frame":"CY2013Q2I"},{"end":"2013-09-30","val":50336,"accn":"0000764586-13-000033","fy":2013,"fp":"Q3","form":"10-Q/A","filed":"2013-11-22","frame":"CY2013Q3I"},{"end":"2013-12-31","val":46441,"accn":"0000764586-14-000002","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-28"},{"end":"2013-12-31","val":46441,"accn":"0000764586-14-000006","fy":2014,"fp":"Q1","form":"10-Q/A","filed":"2014-05-23"},{"end":"2013-12-31","val":46441,"accn":"0000764586-14-000011","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-19"},{"end":"2013-12-31","val":46441,"accn":"0000764586-14-000027","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-20","frame":"CY2013Q4I"},{"end":"2014-03-31","val":45671,"accn":"0000764586-14-000006","fy":2014,"fp":"Q1","form":"10-Q/A","filed":"2014-05-23","frame":"CY2014Q1I"},{"end":"2014-06-30","val":52998,"accn":"0000764586-14-000011","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-19","frame":"CY2014Q2I"},{"end":"2014-09-30","val":58355,"accn":"0000764586-14-000027","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-20","frame":"CY2014Q3I"}]}},"Depreciation":{"label":"Depreciation","description":"The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related 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