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

3 Months Ended

Mar. 31, 2013

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

	March 31, 2013		December 31, 2012
Deferred contract costs	$	2,799	$	4,532
Other assets, related party	$	1,764	$	1,754
Prepaid inventory purchases	$	224	$	159
Prepaid insurance		152		258
Deposits		342		342
Other prepaid expenses and current assets		164		178
Total prepaid expenses and other current assets	$	882	$	937