Stockholders Deficit (Tables)

6 Months Ended

Jun. 30, 2020

Equity [Abstract]

Summary of Stock Option Plans Activity

A summary of the Company’s stock option activity for the six months ended June 30, 2020 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, 2019		2,904,898		$	2.37		8.0	$	781
Granted		1,347,500			0.69
Exercised		-			-			$	-
Forfeited		(212,860	)		1.79
Expired/Cancelled		(48,804	)		3.42
Balance at June 30, 2020		3,990,734		$	1.82		8.1	$	54,750
Exercisable at June 30, 2020		2,046,557		$	2.27		7.0	$	13,038

Summary of Restricted Stock Unit ("RSU") Award Activity

The following table summarizes restricted stock unit (“RSU”) award activity for the six months ended June 30, 2020:

	Number of Shares			Weighted- Average Grant Date Fair Value Per Share
Balance at December 31, 2019		223,745		$	2.91
Granted		22,500			0.75
Released		(59,693	)		2.66
Forfeited		(16,875	)		3.04
Balance at June 30, 2020		169,677		$	2.70
Vested and unissued at June 30, 2020		23,126		$	2.73

Summary of Stock-Based Compensation Recorded in the Condensed Consolidated Statements of Operations

Stock-based compensation expense recorded in the accompanying condensed consolidated statements of operations for the three and six months ended June 30, 2020 and 2019 was as follows:

	Three Months Ended June 30,				Six Months Ended June 30,
	2020		2019		2020		2019
Selling, general and administrative	$	338,063	$	217,195	$	696,075	$	399,176
Research and development		24,913		58,234		83,418		106,684
Cost of product and product-related services revenue		3,904		11,903		8,058		22,718
	$	366,880	$	287,332	$	787,551	$	528,578