Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($)	3 Months Ended				9 Months Ended		12 Months Ended
	Sep. 30, 2021	Mar. 31, 2021	Sep. 30, 2020	Mar. 31, 2020	Sep. 30, 2021	Sep. 30, 2020	Dec. 31, 2020
Cash flows from operating activities:
Net loss	$ (144,548)	$ (179,733)	$ (123,722)	$ (113,242)	$ (354,645)	$ (131,555)
Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation and amortization					385,848	364,273
Amortization of operating lease right-of-use assets					24,840	20,957
Provision for bad debts					0	20,125
Share-based compensation					502,427	311,129
Gain on sale of property and equipment					0	(739)
Changes in assets and liabilities:
Accounts receivable					(50,447)	(87,361)
Prepaid expenses and other current assets					44,588	(17,686)
Accounts payable					188,237	246,405
Accrued expenses					129,232	127,860
Contract liabilities					1,462	4,211
Operating lease obligations					(25,747)	(21,660)
Net cash provided by operating activities	845,795				845,795	835,959
Cash flows from investing activities:
Purchase of property and equipment					(1,120)	0
Proceeds from sale of property and equipment					0	739
Net cash (used in) provided by investing activities					(1,120)	739
Cash flows from financing activities:
Payments on finance leases					(2,907)	(7,065)
Proceeds from warrant exercise					0	35,636	$ 35,636
Payments of preferred dividends					0	(26,252)
Net cash (used in) provided by financing activities					(2,907)	2,319
Effect of exchange rate changes on cash and cash equivalents					(5,454)	2,476
Net increase in cash and cash equivalents					836,314	841,493
Cash and cash equivalents, beginning of period		$ 1,644,210		$ 475,881	1,644,210	475,881	475,881
Cash and cash equivalents, end of period	$ 2,480,524		$ 1,317,374		2,480,524	1,317,374	$ 1,644,210
SUPPLEMENTAL DISCLOSURES OF CASH FLOW INFORMATION
Income taxes					956	500
Interest					86	496
Issuance of common shares in settlement of accrued expenses					2,005,500	0
Issuance of preferred shares in settlement of dividends					$ 0	$ 358,638