Consolidated Balance Sheets (Unaudited) - USD ($)	Sep. 30, 2022	Dec. 31, 2021
Current assets
Cash and cash equivalents	$ 4,821,400	$ 4,755,300
Marketable securities	314,200	417,600
Accounts receivable, net	364,200	558,600
Prepaid expenses and other current assets	309,100	52,700
Total current assets	5,808,900	5,784,200
Right-of-use assets	59,200
Property and equipment, net	6,100	8,200
Other assets	22,900	17,800
Total assets	5,897,100	5,810,200
Current liabilities
Accounts payable	246,200	260,800
Accrued expenses	81,000	64,200
Accrued wages	137,700	108,900
Lease liabilities - current	10,200
Deferred revenue - current	1,126,200	1,033,800
Total current liabilities	1,601,300	1,467,700
Long-term liabilities
Lease liabilities	48,600
Deferred revenue	305,300	373,900
Total liabilities	1,955,200	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 September 30, 2022 or December 31, 2021
Common stock, $0.0001 par value, 195,000,000 shares authorized, 18,826,342 and 18,850,675 shares issued and outstanding as of September 30, 2022 and December 31, 2021, respectively	1,900	1,900
Additional paid-in capital	82,145,100	82,155,200
Accumulated deficit	(78,205,100)	(78,188,500)
Total stockholders’ equity	3,941,900	3,968,600
Total liabilities and stockholders’ equity	$ 5,897,100	$ 5,810,200