17. Commitments and Contingencies (Details Narrative) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013	Mar. 31, 2014	Dec. 31, 2013
Amount agreed to pay to State of Texas						$ 12,000,000
Initial payment made for the settlement					2,000,000
Rent Expense	166,000	213,000	331,000	384,000
Co-promotion and other revenue sharing arrangements	2,195,000	1,809,000	4,074,000	3,154,000
Settlement of patent litigation claims	$ 2,750,000		$ 2,750,000