CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($)	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Cash flows from operating activities:
Net income (loss)	$ 425,248	$ (719,840)
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Depreciation and amortization	57,486	33,563
Amortization of debt discount on notes payable	75,705	109,861
Amortization of right of use assets	333,777	353,715
Gain on debt extinguishment	(754,000)	0
Share-based payment compensation	4,471	4,510
Provision for (recovery of) returns and doubtful accounts	0	(81,244)
Deferred income taxes (benefit)	7,878	24,545
Changes in operating assets and liabilities:
Accounts receivable	(129,714)	1,720,163
Prepaid expenses and other current assets	(250,034)	121,591
Contract assets	30,179	229,042
Inventory	0	15,539
Other assets	(1,031)	(51)
Accounts payable	536,721	(433,791)
Accrued expenses and other long-term liabilities	114,335	(171,461)
Operating lease liabilities	(429,112)	(403,100)
Deferred revenue	115,750	(1,201,373)
Net cash provided by (used in) operating activities	137,659	(398,331)
Cash flows from investing activities:
Purchases of property and equipment	(41,121)
Security deposits	1,588	(82,908)
Purchase of intangible assets	0	(11,360)
Net cash provided by (used in) investing activities	(39,533)	(94,268)
Cash flows from financing activities:
Effect of exchange rate changes on cash and cash equivalents	2,207	(6,446)
Net increase (decrease) in cash and cash equivalents	100,333	(499,045)
Cash and cash equivalents, beginning of period	1,920,656	1,475,166
Cash and cash equivalents, end of period	2,020,989	976,121
Supplemental disclosures:
Cash paid for interest	75,816	52,546
Non-cash investing and financing activities:
Undistributed Series A redeemable convertible preferred stock dividends	277,170	285,760
Accretion of Series A redeemable convertible preferred stock	$ 197,114	$ 26,090