Note 14 - Income Taxes (Tables)

12 Months Ended

Dec. 31, 2012

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

	Year Ended December 31,
	2012			2011
Federal statutory income tax benefit	$	(6,392	)	$	(6,977	)
Expiration of net operating loss carry forwards		3,156			-
Other, net		(33	)		329
Exercise of incentive stock options		197			(270	)
Impact of ownership change on net operating loss					47,535
Valuation allowance		3,072			(40,617	)
Total		-			-

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

	2012			2011
Deferred tax assets:
Net operating loss carry forwards	$	14,166		$	11,336
Basis difference in intangible assets		287			424
Accruals		1,451			673
Tax credits		276			276
Basic difference in property, plant, and equipment		(652	)		(513	)
Other, net		174			434
Valuation allowance		(15,702	)		(12,630	)
Total deferred tax assets, net	$	-		$	-

Schedule of Unrecognized Tax Benefits Roll Forward [Table Text Block]

	2012		2011
Balance at January 1	$	27	$	27
Reductions based on tax positions related to the current year
Balance at December 31	$	27	$	27

Summary of Operating Loss Carryforwards [Table Text Block]

2012	-	2015	-
2016	-	2020	$	6,153,000
2021	-	2025	$	6,526,000
2026	-	2032	$	29,157,000