Stockholders' Equity (Tables)

12 Months Ended

Dec. 31, 2019

Equity [Abstract]

Schedule of Fair Value of Share Based Payment

The fair value of share-based payment units was estimated using the Black-Scholes option pricing model with the following assumptions and weighted average fair values as follows:

	Years Ended December 31,
	2019			2018
Valuation assumptions:
Grant price	$	2.68			$2.30 - $2.87
Exercise price	$	2.68			$2.30 - $2.87
Expected dividend yield		0	%		0	%
Expected volatility		84.92	%		94.02% - 97.22	%
Expected life (in years)		5			5
Risk-free interest rate		2.49	%		2.69% - 2.73	%

Schedule of Stock Option Activity

Stock option activity under the Plans during the periods indicated below is as follows:

	Number of Shares Subject to Issuance			Weighted- average Exercise Price		Weighted- average Remaining Contractual Term		Aggregate Intrinsic Value
Outstanding at December 31, 2017		1,631,358		$	1.36		1.70 years		-
Granted		102,500			2.86
Forfeited or expired		(67,688	)		4.18
Exercised		(593,838	)		1.16
Outstanding at December 31, 2018		1,072,332		$	1.44		1.85 years	$	881,493
Granted		444,163			2.68
Exercised		(94,872	)		2.08
Outstanding at December 31, 2019		1,421,623		$	1.78		1.96 years	$	8,113,777
Exercisable at December 31, 2019		1,069,542		$	1.49		1.34 years	$	6,416,368

Summary of Stock Options

The following is a summary of stock options as of December 31, 2019:

		Options Outstanding						Options Exercisable
Range of Exercise Prices		Number of Options		Weighted- average Remaining Life		Weighted- average Exercise Price		Number of Options		Weighted- average Exercise Price
$	1.15 to $1.56		839,460		0.66 years	$	1.16		833,210	$	1.16
$	1.75 to $2.87		582,163		3.83 years	$	2.67		236,332	$	2.64
			1,421,623		1.96 years	$	1.78		1,069,542	$	1.49

Schedule of Restricted Stock Units Outstanding

Restricted stock unit activity under the Plans during the periods indicated below is as follows:

	Number of Shares			Weighted Average Grant Date Fair Value		Aggregate Intrinsic Value
Outstanding at December 31, 2017		5,859		$	2.56		-
Granted		29,822			2.07
Vested and Settled in shares		(35,681	)		2.15
Outstanding at December 31, 2018		-		$	-	$	-
Granted		12,477			5.53
Vested and Settled in shares		(9,807	)		5.00
Outstanding at December 31, 2019		2,670		$	7.49	$	-

Schedule of Share Based Compensation Expense

Share based compensation expense for the years ended December 31, 2019 and 2018 is as follows:

	Years Ended December 31,
	2019		2018
Compensation cost recognized:
Stock options	$	515,805	$	124,886
Restricted stock units		69,060		61,821
	$	584,865	$	186,707

Schedule of Stock Based Compensation

Share based compensation is included in operating expenses as follows:

	Years Ended December 31,
	2019		2018
Selling, general and administrative	$	561,391	$	169,654
Research and development		23,474		17,053
	$	584,865	$	186,707