Property and Equipment (Details) (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Property and equipment [Abstract]
Cost	$ 11,525,000	$ 11,375,000
Accumulated Depreciation	(10,605,000)	(9,434,000)
Asset Impairment	(542,000)
Net Book Value	378,000	1,941,000
Depreciation expense	1,300,000	1,700,000
Net value	2,700,000
Fair value	400,000
Computer Equipment [Member]
Property and equipment [Abstract]
Cost	9,824,000	9,751,000
Accumulated Depreciation	(9,193,000)	(8,002,000)
Asset Impairment	(253,000)
Net Book Value	378,000	1,749,000
Furniture and Fixtures [Member]
Property and equipment [Abstract]
Cost	167,000	75,000
Accumulated Depreciation	(80,000)	(62,000)
Asset Impairment	(87,000)
Net Book Value	0	13,000
Software [Member]
Property and equipment [Abstract]
Cost	1,473,000	1,241,000
Accumulated Depreciation	(1,302,000)	(1,229,000)
Asset Impairment	(171,000)
Net Book Value	0	12,000
Leasehold Improvements [Member]
Property and equipment [Abstract]
Cost	61,000	308,000
Accumulated Depreciation	(30,000)	(141,000)
Asset Impairment	(31,000)
Net Book Value	0	167,000
Equipment Under Capital Leases [Member]
Property and equipment [Abstract]
Depreciation expense	300,000	1,100,000
Equipment under capital lease	600,000	2,800,000
Accumulated depreciation on equipment under capital lease	$ 500,000	$ 2,500,000