Stock-Based Compensation and Benefit Plans (Tables)

6 Months Ended

12 Months Ended

Jun. 30, 2015

Dec. 31, 2014

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Summary of Stock Based Compensation

Compensation expense recognized for the issuance of warrants, stock options, restricted stock grants and stock bonuses for the three and six months ended June 30, 2015 and 2014 was as follows:

	Three Months Ended				Six Months Ended
	June 30, 2015		June 30, 2014		June 30, 2015		June 30, 2014
Stock-based compensation costs included in:
Cost of revenue	$	12,543	$	1,571	$	16,438	$	3,746
Sales and marketing expenses	18,938		2,226		31,061		4,017
Research and development expenses	21,706		1,314		39,141		3,379
General and administrative expenses	30,215		33,588		67,668		74,067
Total stock-based compensation expense	$	83,402	$	38,699	$	154,308	$	85,209

Compensation expense recognized for the issuance of warrants, stock options, restricted stock grants and stock bonuses for the years ended December 31, 2014 and 2013 was as follows:

	Year Ended
	December 31, 2014		December 31, 2013
Stock-based compensation costs included in:
Cost of revenue	$	21,753	$	1,815
Sales and marketing expenses	51,803		67,697
Research and development expenses	41,365		48,609
General and administrative expenses	201,255		582,594
Total stock-based compensation expense	$	316,176	$	700,715

Schedule of Fair Values of Stock Options Granted and Assumptions Used for Black-scholes-merton Option Pricing Model

The estimated fair values of stock options granted and assumptions used for the Black-Scholes option pricing model were as follows:

	Three Months Ended						Six Months Ended
	June 30, 2015			June 30, 2014			June 30, 2015			June 30, 2014
Estimated Fair Value	$	15,557		$	93,089		$	100,289		$	93,089
Shares Issuable Under Options Granted	93,000			110,000			558,000			110,000
Expected Term	3 Years			3 Years			2 to 3 Years			3 Years
Expected Dividend	0		%	0		%	0		%	0		%
Volatility	30		%	29.4		%	26% to 30		%	29.4		%
Risk Free Interest Rate	0.86% to 0.91		%	0.88		%	0.22% to 1.07		%	0.88		%

The estimated fair values of stock options granted and assumptions used for the Black-Scholes option pricing model were as follows:

	Year Ended
	December 31, 2014			December 31, 2013
Estimated Fair Value	$	339,671		$	306,189
Shares Issuable Under Options Granted	2,004,420			330,470
Expected Term	2 to 3 Years			3 Years
Expected Dividend	—		%	—		%
Volatility	27% to 29		%	30% to 33		%
Risk Free Interest Rate	0.22% to 1.00		%	0.34% to 0.90		%

Summary of Stock Option Activity

Following is a summary of stock option activity in 2014:

							Weighted
	Number of						Remaining
	Shares Issuable			Weighted Avg.			Contractual		Intrinsic
	Under Options			Exercise Price			Life (Years)		Value
Balance, December 31, 2012		614,042		$	6.00
Granted		330,470			4.13
Exercised		(30,000	)		0.80
Forfeited or Expired		(86,969	)		4.55
Balance, December 31, 2013		827,543			3.49	*		2.81	$	423,000
Granted		2,004,420			1.50	*
Exercised		—			—
Forfeited or Expired		(127,376	)		3.69
Balance, December 31, 2014		2,704,587			2.01	*		4.05	$	61,875
Exercisable at December 31, 2014		1,665,809			2.33	*		3.55	$	61,875

* Reflects the February 2014 and December 2014 exercise price adjustment.

Schedule of Information with Respect to Common Stock Options Outstanding and Exercisable

Information with respect to common stock options outstanding and exercisable at December 31, 2014:

	Stock Options Outstanding						Options Exercisable
Range of Exercise Price	Number of Options	Weighted Average Remaining Contractual Life	Weighted Average Exercise Price		Aggregate Intrinsic Value		Options Exercisable	Weighted Average Exercise Price		Aggregate Intrinsic Value
$0.80	112,500	0.21	$	0.8	$	61,875	112,500	$	0.8	$	61,875
$1.35 to $1.60	1,898,670	4.85	1.5		—		933,262	1.5		—
$4.00	693,417	2.49	4		—		620,047	4		—
	2,704,587	4.05	$	2.01	$	61,875	1,665,809	$	2.33	$	61,875