STATEMENTS OF CASH FLOWS - USD ($)	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Cash flows from operating activities:
Net income (loss)	$ (2,232,553)	$ 282,011
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation and amortization	488,745	490,250
Amortization of operating lease right-of-use assets	28,545	22,850
Provision for bad debts	20,125	0
Gain on sale of property and equipment	(739)	0
Share-based compensation	2,452,701	407,974
Unrealized (gain) loss on stock price guarantee	0	(3,688)
Other income from stock price guarantee	0	(880,553)
Deferred income taxes	(120,835)	(73,208)
Changes in assets and liabilities:
Accounts receivable	(60,044)	(39,574)
Prepaid expenses and other current assets	(59,362)	(8,589)
Accounts payable	546,859	164,652
Accrued expenses	63,460	(183,229)
Contract liabilities	3,444	(142,914)
Operating lease obligations	(29,537)	(20,449)
Net cash provided by operating activities	1,100,809	15,533
Cash flows from investing activities:
Proceeds from sale of property and equipment	739	0
Purchase of property and equipment	0	(16,106)
Net cash provided by (used in) investing activities	739	(16,106)
Cash flows from financing activities:
Payments on finance leases	(9,627)	(8,821)
Payments on note payable	0	(15,346)
Proceeds from warrant exercise	35,636	0
Payments of preferred dividends	(26,252)	(163,236)
Net cash used in financing activities	(243)	(187,403)
Effect of exchange rate changes on cash and cash equivalents	67,024	31,526
Net change in cash and cash equivalents	1,168,329	(156,450)
Cash and cash equivalents, beginning of year	475,881	632,331
Cash and cash equivalents, ending of year	1,644,210	475,881
SUPPLEMENTAL DISCLOSURES OF CASH FLOW INFORMATION
Income taxes	500	960
Interest	664	1,687
SUPPLEMENTAL DISCLOSURES OF NON-CASH ITEMS
Issuance of preferred shares for settlement of dividends	358,638	0
Issuance of preferred shares for settlement of accrued expenses	0	83,221
Operating lease liabilities from obtaining operating lease right of use assets	$ 0	$ 55,600