Income Taxes (Tables)

12 Months Ended

Dec. 31, 2012

Income Taxes [Abstract]

Reconciliation of income tax expense by applying the federal income tax rate to loss before provision for income taxes

	2012			2011
Income tax credit at statutory rates	$	(813,475	)	$	(1,143,603	)
Nondeductible expenses		2,486			4,699
State income tax, net of federal benefits		(122,380	)		(172,045	)
Other		1,253			9,700
Increase in valuation allowance		932,116			1,301,249
	$	—		$	—

Deferred income taxes

	As of December 31,
	2012			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	$	—		$	—