Note 5 - Prepaid Expenses and Other Current Assets (Tables)

6 Months Ended

Jun. 30, 2013

Prepaid Expenses And Other Current Assets [Abstract]

Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Table Text Block]

	June 30, 2013		December 31, 2012
Deferred contract costs	$	1,904	$	4,532
Other assets, related party	$	1,791	$	1,754
Prepaid equipment purchases	$	1,182	$	-
Prepaid inventory purchases		690		159
Deposits		342		342
Prepaid insurance		54		258
Other prepaid expenses and current assets		52		178
Total prepaid expenses and other current assets	$	1,138	$	937