Consolidated Statements of Cash Flows - USD ($)	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Cash flows from operating activities
Net income (loss)	$ 554,300	$ (31,400)
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Depreciation	400	29,700
Contributed services	225,100	75,000
Changes in allowance for doubtful accounts	3,700	(4,200)
Loss on disposal of property and equipment		700
Changes in deferred rent		(74,100)
Changes to liquidated damage on warrant liability		(155,700)
Changes in operating assets and liabilities:
Accounts receivable	(64,100)	220,200
Prepaid expenses and other current assets	20,000	33,900
Accounts payable	(46,800)	67,000
Accrued expenses	(15,600)	13,900
Accrued wages	(9,400)	(129,900)
Deposit liability	(12,100)	(81,400)
Deferred revenue	(6,300)	(71,100)
Net cash provided by (used in) operating activities	649,200	(107,400)
Cash flows from financing activities
Payments for repurchase of warrants		(15,500)
Proceeds from exercise of warrants	300
Other rounding	(100)
Net cash provided by (used in) financing activities	200	(15,500)
Net change in cash and cash equivalents	649,400	(122,900)
Cash and cash equivalents, beginning of the period	892,500	1,015,400
Cash and cash equivalents, end of the period	1,541,900	892,500
Supplemental disclosure of cash flow information:
Interest paid
Income taxes paid		800
Supplemental disclosure of non-cash investing and financing information:
Reversal of accrual for liquidated damages		855,100
Issuance of warrants pursuant to reversal of accrual for liquidated damages		$ 699,400