Note 3 - Fair Value Measurements and Other Financial Measurements (Tables)

9 Months Ended

Sep. 30, 2012

Fair Value, Liabilities Measured on Recurring Basis [Table Text Block]

	Level		September 30, 2012		December 31, 2011
Warrant liabilities:		3	$	742	$	654

Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Table Text Block]

	Fair value at September 30, 2012		Valuation technique	Unobservable input
Liabilities:
Warrant liabilities	$	742	Black-Scholes- Merton option pricing model	Prevailing interest rates, Company’s stock price volatility, expected warrant term

Fair Value Measurements, Recurring and Nonrecurring [Table Text Block]

	Fair Value		Carrying Value
Warrant liabilities:	$	742	$	742
Total	$	742	$	742

Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block]

Warrant liabilities
Opening balance – December 31, 2011	$	654
Purchases, sales, issuances, and settlements		—
Transfers into and (or) out of Level 3		—
Change in fair value		88
Unrealized gains / (losses)		—
Other adjustments		—
Closing balance – September 30, 2012	$	742

Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]

		September 30, 2012				December 31, 2011
		Carrying value		Fair value		Carrying value		Fair value
Accounts receivable, net	2	$	949	$	949	$	333	$	333
Trade accounts payable	2	$	5,667	$	5,667	$	5,870	$	5,870
Capital lease obligation	2	$	16	$	16	$	12	$	12
Note payable	2	$	1,000	$	1,000	$	-	$	-