Consolidated Statements of Cash Flows - USD ($)	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Cash flows from operating activities:
Net income (loss)	$ 1,138,509	$ (1,751,954)
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Depreciation and amortization	224,518	399,798
Share-based payment compensation	15,755	32,280
Provision for returns and doubtful accounts	4,464	148,624
Amortization of debt discount on notes payable	467,229	273,521
Amortization of right of use assets	1,305,982	1,049,479
Deferred income tax provision	8,820	412,445
Changes in operating assets and liabilities:
Accounts receivable	577,259	54,857
Prepaid expenses and other current assets	353,689	(337,712)
Contract assets	478,855	76,549
Inventory	15,889	(14,305)
Other assets	(389)	1,403
Accounts payable	(911,352)	730,324
Accrued expenses and other long-term liabilities	(339,399)	(413,998)
Deferred revenue	(1,018,459)	(1,238,212)
Operating lease liabilities	(1,615,307)	(1,322,976)
Net cash provided by (used in) operating activities	706,063	(1,899,877)
Cash flows from investing activities:
Purchases of property and equipment	0	(171,680)
Security deposits	51,734	84,678
Purchase of intangible assets	(80,810)	(55,862)
Net cash provided by (used in) investing activities	(29,076)	(142,864)
Cash flows from financing activities:
Proceeds from issuance of short-term debt, net of issuance costs	0	944,607
Proceeds from issuance PPP Loan	754,000	0
Payments of long term-debt	(1,000,000)	(489,321)
Net cash provided by (used in) financing activities	(246,000)	455,286
Effect of exchange rate changes on cash and cash equivalents	14,503	2,944
Net increase (decrease) in cash and cash equivalents	445,490	(1,584,511)
Cash and cash equivalents, beginning of year	1,475,166	3,059,677
Cash and cash equivalents, end of year	1,920,656	1,475,166
Supplemental Disclosures:
Cash paid for interest	291,821	237,176
Cash paid for income taxes, net	0	0
Non-cash financing activities:
Undistributed Series A redeemable convertible preferred stock dividends	1,083,892	1,157,762
Accretion of Series A redeemable convertible preferred stock	$ 552,551	$ 389,811