11. Stockholders' Equity (Tables)

12 Months Ended

Dec. 31, 2015

Dec. 31, 2014

Summary of option activity

Shares approved for issuance at plan inception	2,048,189
Options granted in 2014	(587,830	)
Options cancelled in 2014	4,096
Restricted shares issued in 2014	(86,024	)
Balance at December 31, 2014	1,378,431
Options granted in 2015	(364,578	)
Options cancelled in 2015	92,168
Plan cancellation	(1,106,021	)
Balance at December 31, 2015	–

Schedule of stock option activity by exercise price

Options outstanding										Options vested and exercisable
Exercise price		Number outstanding		Weighted average remaining contractual life (years)		Weighted average exercise		Aggregate intrinsic value		Number vested		Weighted average exercise		Aggregate intrinsic value
	$6.10		1,411,094		2.28		$6.10	$	–		1,411,094		$6.10
	$9.76		130,874		9.54		$9.76		–		130,874		$9.76		–
			1,541,968				$6.41	$	–		1,541,968		$6.41	$	–

Warrant activity

	Number of warrants		Weighted average exercise price		Weighted average remaining contractual term (years)		Aggregate intrinsic value
Outstanding and Exercisable at December 31, 2014		122,891	$	8.14		–	$	–
Outstanding and Exercisable at December 31, 2015		6,898,560	$	1.83		5.00	$	–

Basic and Diluted Income Per Share

	Year Ended December 31,
	2015			2014
Basic:
Numerator- net income (loss) available to common stockholders	$	(36,357,727	)		2,810,032
Denominator - weighted-average shares outstanding		12,423,294			12,247,978
Net income (loss) per share -Basic	$	(2.93	)	$	0.23
Diluted:
Numerator:
Net income (loss) available to common stockholders	$	(36,357,727	)	$	2,810,032
Interest expense on convertible debt, net of taxes		–			14,436
		(36,357,727	)		2,824,468
Denominator:
Weighted-average shares outstanding		12,423,294			12,247,978
Weighted-average equivalent shares options		–			249,952
Weighted-average equivalent shares from convertible debt		–			91,031
Weighted-average equivalent shares from Series C convertible preferred stock		–			–
Weighted-average equivalent shares from Series D convertible preferred stock		–			64,644
Weighted-average equivalent shares from Series E convertible preferred stock		–			14,253
		12,423,294			12,667,858
Net income (loss) per share - Diluted	$	(2.93	)	$	0.22

Antidilutive Securities

	December 31
	2015		2014
Stock options outstanding		1,822,675		6,042,157
Warrants outstanding		6,898,560		–
Convertible debt		1,074,402		–
Convertible preferred stock		11,540,397		–
		21,336,034		6,042,157

Granted to employee [Member]

Option assumptions

Stock price	$6.10
Expected term	1 year
Expected volatility	24.43%
Risk free interest rate	0.30%
Dividend yield	0

Granted to various employees [Member]

Option assumptions

Stock price	$6.10
Expected term	5.375 years
Expected volatility	27.72%
Risk free interest rate	1.46%
Dividend yield	0

Granted to director [Member]

Option assumptions

Stock price	$6.10
Expected term	2 years
Expected volatility	24.43%
Risk free interest rate	0.43%
Dividend yield	0