7. Warrant Activity (Details) - Warrant Share [Member]	9 Months Ended
	Sep. 30, 2015 USD ($) $ / shares shares
Class of Warrant or Right [Line Items]
Number of Shares, Outstanding at beginning of period	380,814
Number of Shares, Granted	3,311,128
Number of Shares, Exercised	(1,103)
Number of Shares, Forfeited and canceled	(27,885)
Number of Shares, Outstanding at end of period	3,662,954
Number of Shares, Exercisable at end of period	3,662,954
Weighted average exercise price, Outstanding at beginning of period | $ / shares	$ 29.92
Weighted average exercise price, Granted | $ / shares	4.16
Weighted average exercise price, Exercised | $ / shares	4.00
Weighted average exercise price, Forfeited and canceled | $ / shares	74.96
Weighted average exercise price, Outstanding at end of period | $ / shares	6.30
Weighted average exercise price, Exercisable at end of period | $ / shares	$ 6.30
Weighted average remaining contract term, Outstanding at end of period	2 years 5 months 1 day
Weighted average remaining contract term, Exercisable at end of period	2 years 5 months 1 day
Intrinsic Value, Outstanding at end of period | $	$ 0
Intrinsic Value, Exercisable at end of the period | $	$ 0