Stockholders Deficit (Tables)

6 Months Ended

Jun. 30, 2017

A summary of the Plan’s stock option activity is as follows:

	Number of Shares			Weighted- Average Exercise Price Per Share		Weighted- Average Remaining Contractual Life (Years)		Aggregate Intrinsic Value
Balance at December 31, 2016		1,161,705		$	3.35	7.7		$	36,887
Granted		349,000		2.04
Exercised		(40,809	)	2.69				$	152,071
Forfeited		(30,057	)		3.23
Expired/Cancelled		(2,861	)		9.03
Balance at June 30, 2017		1,436,978		$	3.03		7.8	$	538,789
Exercisable at June 30, 2017		714,443		$	3.40	6.5		$	214,339

Summary of RSU Plans Activity

A summary of the Plan’s RSU activity is as follows:

	Restricted Stock Units (RSU)			Weighted- Average Grant Date Fair Value Per Share
Balance at December 31, 2016		355,499		$	2.41
Granted		10,000			1.75
Exercised		(154,000	)		2.44
Forfeited		(2,500	)		2.46
Balance at June 30, 2017		208,999		$	2.36

Summary of Stock-Based Compensation

Stock-based compensation expense recorded in the condensed statements of operations for the three and six months ended June 30, 2017 and 2016 was as follows:

	Three Months Ended June 30,				Six Months Ended June 30,
	2017		2016		2017		2016
Selling, general and administrative	$	294,591	$	112,043	$	574,174	$	233,593
Research and development		93,103		30,056		181,464		67,790
Cost of revenue		30,243		9,989		58,945		20,753
	$	417,937	$	152,088	$	814,583	$	322,136