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

6 Months Ended

Jun. 30, 2012

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

	June 30, 2012		December 31, 2011
Prepaid inventory purchases	$	4	$	801
Prepaid insurance		37		259
Deposits		341		341
Deferred contract costs		1,533		678
Other prepaid expenses and current assets		107		161
Total prepaid expenses and other current assets	$	2,022	$	2,240