13. Commitments and Contingencies (Details Narrative) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Commitments And Contingencies Details Narrative
Royalty Commitment	$ 93	$ 77	$ 98
Purchase commitment of inventory	$ 4,204