Business Segments Information / Major Customers Revenues By Products and Services (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Segment Reporting Information [Line Items]
Revenues	$ 79,443	$ 83,634	$ 88,731
Revenues, percentage	100.00%	100.00%	100.00%
Disc Publishing
Segment Reporting Information [Line Items]
Revenues	69,607	81,874	88,731
Revenues, percentage	88.00%	98.00%	100.00%
Enterprise Content Distribution Software
Segment Reporting Information [Line Items]
Revenues	9,836	1,760	0
Revenues, percentage	12.00%	2.00%	0.00%
Disc Publishing Equipment [Domain] | Disc Publishing
Segment Reporting Information [Line Items]
Revenues	23,779	30,424	40,842
Revenues, percentage	30.00%	36.00%	46.00%
Producer Equipment | Disc Publishing
Segment Reporting Information [Line Items]
Revenues	12,285	15,788	15,339
Revenues, percentage	15.00%	19.00%	17.00%
Professional Equipment | Disc Publishing
Segment Reporting Information [Line Items]
Revenues	9,517	11,939	21,928
Revenues, percentage	12.00%	14.00%	25.00%
Desktop | Disc Publishing
Segment Reporting Information [Line Items]
Revenues	1,977	2,697	3,575
Revenues, percentage	2.00%	3.00%	4.00%
Consumables and Parts | Disc Publishing
Segment Reporting Information [Line Items]
Revenues	33,819	40,038	37,904
Revenues, percentage	43.00%	48.00%	43.00%
Service | Disc Publishing
Segment Reporting Information [Line Items]
Revenues	12,009	11,412	9,985
Revenues, percentage	15.00%	14.00%	11.00%
Service | Enterprise Content Distribution Software
Segment Reporting Information [Line Items]
Revenues	5,516	1,067	0
Revenues, percentage	7.00%	1.00%	0.00%
Total recurring | Disc Publishing
Segment Reporting Information [Line Items]
Revenues	45,828	51,450	47,889
Revenues, percentage	58.00%	62.00%	54.00%
Software Licenses and Appliances | Enterprise Content Distribution Software
Segment Reporting Information [Line Items]
Revenues	$ 4,320	$ 693	$ 0
Revenues, percentage	5.00%	1.00%	0.00%