CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Cash flows used in operating activities:
Net loss	$ (17,633,924)	$ (15,549,244)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	612,138	837,228
Amortization of right-of-use assets	150,968	172,060
Amortization of debt issuance costs	29,845	71,401
Amortization of sales contract costs		75,514
Stock-based compensation	279,395	1,170,595
Goodwill impairment charge	(0)	58,872
Intangible asset impairment charge		67,415
Provision for (recovery of) credit losses	174,652	(98,489)
Provision for inventory reserves		1,785,566
Changes in operating assets and liabilities:
Accounts receivable	1,882,377	2,220,746
Inventories	15,462,559	6,690,515
Prepaid expenses and other current assets	324,963	227,150
Other assets	53,458	63,044
Accounts payable	8,306,503	(9,621,054)
Accrued expenses	(3,237,131)	(839,265)
Deferred revenue	(1,405,280)	670,532
Operating lease liabilities	(150,968)	(172,659)
Net cash provided by (used in) operating activities	4,849,555	(12,170,073)
Cash flows from investing activities:
Purchases of equipment	(162,270)	(276,665)
Certification costs incurred and capitalized	(219,595)	(418,352)
Net cash used in investing activities	(381,865)	(695,017)
Cash flows from financing activities:
Net repayment on the bank credit line	(4,788,478)	(377,811)
Proceeds from bridge loan agreement		1,000,000
Repayment of government loan		(34,237)
Proceeds from stock option exercises		236,803
Net cash provided by (used in) financing activities	(4,788,478)	824,755
Net change in cash, cash equivalents, and restricted cash	(320,788)	(12,040,335)
Cash, cash equivalents, and restricted cash - Beginning	1,030,110	13,070,445
Cash, cash equivalents, and restricted cash - Ending	709,322	1,030,110
Cash paid during the period for:
Interest	238,329	394,615
Income taxes	42,619	88,348
Cash is reported on the consolidated statements of cash flows as follows:
Cash and cash equivalents	709,322	530,110
Restricted cash		500,000
Total cash, cash equivalents, and restricted cash	$ 709,322	$ 1,030,110