Note 12 - Income Taxes (Tables)

12 Months Ended

Dec. 31, 2013

Income Tax Disclosure [Abstract]

Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]

	2013			2012
	(in thousands)
Current tax expense (benefit):
Federal	$	—		$	—
State and local		(197	)		(184	)
Total current tax expense (benefit)		(197	)		(184	)
Deferred tax expense
Federal		—			—
State and local		—			—
Total deferred tax expense		—			—
Total expense (benefit) from income taxes	$	(197	)	$	(184	)

Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]

	2013			2012
	(in thousands)
Statutory benefit	$	(95	)	$	(1,381	)
Other non-deductible expenses		2			1
Increase in federal valuation allowance		30			1,317
Sale of New Jersey net operating loss carry forward		(197	)		(189	)
Federal tax impact of state tax benefit, net		63			68
	$	(197	)	$	(184	)

Schedule of Deferred Tax Assets and Liabilities [Table Text Block]

	2013			2012
	(in thousands)			(in thousands)
Current Assets
Allowance for doubtful accounts	$	6		$	6
Inventory reserve		115			45
Other		161			151
Total Current Assets		282			202
Long Term Assets (Liabilities)
Property, plant and equipment		209			203
Deferred royalty payments		5			10
Tax operating loss carry forwards		10,672			11,101
Tax credit carry forwards		217			225
Non-employee stock options		685			625
Other		(8	)		(8	)
Total Long Term Assets (Liabilities)		11,780			12,156
Gross Deferred Tax Asset (Liability)		12,062			12,358
Less: valuation allowance		(12,062	)		(12,358	)
Deferred taxes, net	$	—		$	—

Summary of Operating Loss Carryforwards [Table Text Block]

	(in thousands)
Federal:
Operating losses (expiring through 2032)	$	31,308
Research tax credits (expiring through 2025)		168
Alternative minimum tax credits (available without expiration)		28
State:
Net operating losses - Tennessee (expiring in 2027)		425
Alternative minimum assessment – New Jersey (available without expiration)		21