Stock Award Plans and Stock-based Compensation (Tables)

3 Months Ended

Mar. 31, 2021

Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]

Schedule of Grant Date Fair Value

The assumptions underlying the calculation of grant date fair value per share for the three months ended March 31, 2021 are as follows:

	For the Three Months Ended March 31,
	2021
Number of options granted		616
Weighted-average expected volatility	114.3%
Weighted-average risk-free interest rate		1.19	%
Weighted-average expected option term    (in years)		6.25
Weighted-average dividend yield		—	%
Weighted-average fair value per share    of grants	$	4.17

Schedule of Stock-based Compensation Expense

The Company recognized stock-based compensation expense related to the issuance of stock option awards, restricted stock awards and restricted stock units to employees, non-employees and directors in the statements of operations as follows:

	Three Months Ended
	March 31,
	2021		2020
Cost of goods sold	$	9,033	$	5,859
Research and development		47,403		13,883
Selling, general and administrative		109,535		103,467
Total	$	165,971	$	123,209