9. Commitments and Contingencies (Details Narrative) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012	Dec. 31, 2012
Purchase orders to suppliers	$ 3,195		$ 3,195
United States Government Agencies
Sales to significant Customers	2,946	4,637	7,578	9,834
Percentage of revenue from major customer	38.80%	57.20%	36.30%	45.10%
Accounts receivable from major customer	$ 927		$ 927		$ 2,256