Consolidated Balance Sheets (Unaudited) - USD ($)	Mar. 31, 2022	Dec. 31, 2021
Current assets
Cash and cash equivalents	$ 5,033,300	$ 4,755,300
Marketable securities	362,000	417,600
Accounts receivable, net	609,900	558,600
Prepaid expenses and other current assets	80,000	52,700
Total current assets	6,085,200	5,784,200
Right-of-use asset	74,000
Property and equipment, net	7,700	8,200
Other assets	17,800	17,800
Total assets	6,184,700	5,810,200
Current liabilities
Accounts payable	229,800	260,800
Accrued expenses	62,500	64,200
Accrued wages	121,300	108,900
Lease liability - current	10,200
Deferred revenue - current	1,262,700	1,033,800
Total current liabilities	1,686,500	1,467,700
Long-term liabilities
Lease liability	63,600
Deferred revenue	359,500	373,900
Total liabilities	2,109,600	1,841,600
Commitments and contingencies
Stockholders’ equity
Preferred stock, $0.01 par value, 5,000,000 shares authorized, no shares issued and outstanding as of March 31, 2022 or December 31, 2021
Common stock, $0.0001 par value, 195,000,000 shares authorized, 18,850,675 shares issued and outstanding for both periods ending March 31, 2022 and December 31, 2021	1,900	1,900
Additional paid-in capital	82,155,200	82,155,200
Accumulated deficit	(78,082,000)	(78,188,500)
Total stockholders’ equity	4,075,100	3,968,600
Total liabilities and stockholders’ equity	$ 6,184,700	$ 5,810,200