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13. Stockholder's Equity (Details) - $ / shares	9 Months Ended	12 Months Ended
	Sep. 30, 2015	Dec. 31, 2014	Dec. 31, 2013
Warrant
Beginning balance, shares	726,917	2,489,407
Warrants exercised, shares		(346,625)
Warrants expired, shares	(476,917)	(1,415,865)
Ending balance, shares	250,000	726,917	2,489,407
Ending balance Exercise Prices	$ 0.25
Minimum | Warrant
Beginning balance, Exercise Prices	0.25	$ 0.25
Warrants exercised, Exercise Prices		1.20
Ending balance Exercise Prices		0.25
Maximum | Warrant
Beginning balance, Exercise Prices	$ 4.50	4.50
Warrants exercised, Exercise Prices		1.60
Ending balance Exercise Prices		$ 4.50
Warrant
Beginning balance, shares		2,489,407	1,934,667
Warrants issued, shares			629,740
Warrants exercised, shares			(25,000)
Warrants expired, shares			(50,000)
Ending balance, shares			2,489,407
Warrants exercised, Exercise Prices			$ 1.20
Warrants expired, Exercise Prices			4.50
Warrant | Minimum
Beginning balance, Exercise Prices			0.25
Warrants issued, Exercise Prices			1.20
Ending balance Exercise Prices			0.25
Warrant | Maximum
Beginning balance, Exercise Prices			4.50
Warrants issued, Exercise Prices			1.60
Ending balance Exercise Prices			$ 4.50

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