Consolidated Statements of Cash Flows (Unaudited) - USD ($)	9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019
Cash flows from operating activities
Net income	$ 589,300	$ 538,400
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation		400
Contributed services	112,400	168,800
Changes in allowance for doubtful accounts	1,600	2,100
Changes in operating assets and liabilities:
Accounts receivable	(126,400)	(25,100)
Prepaid expenses and other current assets	11,400	9,200
Accounts payable and accrued expenses	(7,800)	(127,400)
Deferred revenue	(354,500)	600
Net cash provided by operating activities	226,000	567,000
Cash flows from financing activities
Proceeds from exercise of warrants		300
Proceeds from rights offering	2,599,900
Issuance cost for rights offering	(119,500)
Net cash provided by financing activities	2,480,400	300
Net change in cash	2,706,400	567,300
Cash, beginning of the period	1,541,900	892,500
Cash, end of the period	4,248,300	1,459,800
Supplemental disclosure of cash flow information:
Interest paid
Income taxes paid	7,500
Non-cash financing activities: shares issued for settlement of accrued expenses	39,600
Issuance of cost for rights offering included in accounts payable and accrued expenses