Note 15 - Stock-Based Compensation (Tables)

9 Months Ended

Sep. 30, 2012

Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]

	Three Months Ended September 30,						Nine Months Ended September 30,
	2012			2011			2012			2011
Expected volatility		69.9	%		59.5	%		68.1	%		59.6	%
Expected dividends		--			--			--			--
Expected term (in years)		7.0			6.0			7.0			6.0
Risk-free rate		1.0	%		1.1	%		1.1	%		1.8	%
Forfeiture rate - employees		25	%		20	%		25	%		20	%
Forfeiture rate – officers and directors		0	%		0	%		0	%		0	%

Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block]

Options	Shares		Weighted-Average Exercise Price		Weighted-Average Remaining Contractual Term		Aggregate Intrinsic Value
Outstanding at January 1, 2012		8,027,950	$	1.09
Granted		13,944,248	$	0.22
Exercised		(42,000)	$	0.31
Forfeited or Expired		(1,239,154)	$	1.19
Outstanding at September 30, 2012		20,691,044	$	0.50		8.0	$	418,000
Exercisable at September 30, 2012		5,949,031	$	1.09		4.3	$	--

Schedule of Nonvested Restricted Stock Units Activity [Table Text Block]

	Shares			Weighted Average Grant Date Fair Value
Non-vested balance at January 1, 2012		40,000		$	1.24
Changes during the period:
Shares granted		40,000			0.43
Shares vested		(60,000	)		0.97
Shares forfeited		--			--
Non-vested balance as of September 30, 2012		20,000		$	0.43