Income Taxes (Details 1) (USD $)	Dec. 31, 2012	Dec. 31, 2011
Deferred tax assets:
Net operating loss carryforwards	$ 30,028,000	$ 30,549,000
Capital loss carryforwards	109,000	109,000
Inventory and other allowances	34,000	36,000
Charitable contribution carryforwards	3,000	2,000
Excess (tax) book depreciation	361,000	218,000
Excess (tax) book amortization	60,000	58,000
Share-based compensation	1,159,000	1,045,000
Other accrued costs	279,000	290,000
Total deferred tax assets	32,033,000	32,307,000
Less: Valuation allowance	(32,033,000)	(32,307,000)
Deferred income taxes