Net Loss per Share

12 Months Ended

Dec. 31, 2021

Net loss per share attributable to common stockholders:

Net Loss per Share

12. Net Loss per Share

The following is a reconciliation of the numerator (net loss) and the denominator (number of shares) used in the basic and diluted earnings per share calculations:

	Year Ended December 31,
	2021			2020
Net loss	$	(10,715,623	)	$	(6,646,459	)
Cumulative dividend on Series A Convertible Preferred Stock		(1,345,031	)		(1,369,421	)
Net loss attributable to common stockholders	$	(12,060,654	)	$	(8,015,880	)
Weighted average number of common shares and equivalents:		75,558,233			72,746,268
Basic EPS	$	(0.16	)	$	(0.11	)
Diluted EPS	$	(0.16	)	$	(0.11	)

The following table sets forth the number of common shares that were excluded from the computation of diluted earnings per share because their inclusion would have been anti-dilutive as follows:

	December 31,
	2021		2020
Shares issuable upon vesting/exercise of:
Options to purchase common stock		2,818,012		2,456,979
Series A Convertible Preferred Stock and Accumulated Dividends		45,306,189		43,483,062
Series B Convertible Preferred Stock		5,610,121		5,610,121
Restricted stock units		1,164,723		1,112,473
Warrants		-		15,385
		54,899,045		52,678,020