Consolidated Statements of Cash Flows (Unaudited) - USD ($)	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Cash flows from operating activities
Net income (loss)	$ 251,900	$ (43,600)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation	100	9,000
Contributed services	56,300
Changes in allowance for doubtful accounts	15,000	(4,400)
Loss on disposal of property and equipment		700
Changes in deferred rent		(17,000)
Changes in operating assets and liabilities:
Accounts receivable	(199,500)	195,200
Prepaid expenses and other current assets	9,900	(22,300)
Accounts payable and accrued expenses	(19,200)	85,700
Deferred revenue	(4,300)	(59,700)
Net cash provided by operating activities	110,200	143,600
Cash flows from investing activities
Cash flows from financing activities
Net change in cash	110,200	143,600
Cash, beginning of the period	892,500	1,015,400
Cash, end of the period	1,002,700	1,159,000
Supplemental disclosure of cash flow information:
Interest paid
Income taxes paid