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Consolidated Statements of Cash Flows - USD ($)	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Operating activities
Net Income	$ 838,811	$ 718,473
Adjustments to reconcile net income to net cash provided by operating activities:
Amortization of intangible assets	237,142	237,142
Amortization of debt costs	25,191	25,187
Stock-based compensation	222,721	195,889
Changes in operating assets and liabilities
(Increase) decrease in other assets		(15,799)
(Decrease) in deferred revenue	(45,501)	(54,133)
(Increase) decrease in prepaid expenses	(2,617)	17,468
(Decrease) increase in accounts payable	3,622	(63,551)
Increase in accounts payable, related party	198	1,176
(Decrease) in accrued interest	(3,683)	(2,827)
(Decrease) in prepaid rent	(9,924)	(5,413)
Net cash provided by operating activities	1,265,960	1,053,612
Financing Activities
Principal payment on long-term debt	(361,447)	(344,115)
Cash dividends paid on preferred stock	(280,232)	(279,871)
Net cash used in financing activities	(641,679)	(623,986)
Net increase in cash and cash equivalents	624,281	429,626
Cash and cash equivalents, beginning of period	1,146,730	717,104
Cash and cash equivalents, end of period	1,771,011	1,146,730
Supplemental disclosure of cash flow information:
Interest paid	$ 447,026	$ 467,204

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