Consolidated Statements of Cash Flows (Unaudited) - USD ($)	6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021
Cash flows used in operating activities:
Net loss	$ (6,965,060)	$ (2,099,431)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	433,845	337,463
Amortization of right-of-use assets	91,965	54,971
Amortization of debt issuance costs	35,407	13,999
Amortization of sales contract costs	19,209	13,792
Stock-based compensation	835,355	615,842
Provision for accounts receivable allowances	(5,816)
Provision for inventory reserves	370,308	118,927
Non-cash loan forgiveness		(20,000)
Changes in operating assets and liabilities:
Accounts receivable	(1,383,166)	(51,511)
Inventories	(819,885)	(3,193,116)
Prepaid expenses and other current assets	141,352	94,664
Other assets	27,489	(79,690)
Accounts payable	(1,104,566)	454,713
Accrued expenses	(500,865)	(2,377,861)
Deferred revenue	367,817	966,399
Operating lease liabilities	(92,636)	(54,434)
Net cash used in operating activities	(8,549,247)	(5,205,273)
Cash flows from investing activities:
Purchases of equipment	(130,864)	(297,947)
Certification costs capitalized	(329,356)
Net cash used in investing activities	(460,220)	(297,947)
Cash flows from financing activities:
Net proceeds from the SVB bank credit line	453,582	7,307,578
Repayment of the Rosenthal bank credit line		(2,442,246)
Costs associated with bank credit line		(92,905)
Repayment of government loan	(34,252)
Proceeds from stock option exercises	236,802	721,409
Net cash provided by financing activities	656,132	5,493,836
Net decrease in cash and cash equivalents	(8,353,335)	(9,384)
Cash, cash equivalents, and restricted cash - Beginning	13,070,445	1,571,757
Cash, cash equivalents, and restricted cash - Ending	4,717,110	1,562,373
Cash paid during the period for:
Interest	167,703	106,417
Income taxes	56,719	32,990
Cash is reported on the consolidated statements of cash flows as follows:
Cash and cash equivalents	4,217,110	812,373
Restricted cash	500,000	750,000
Total cash, cash equivalents and restricted cash	$ 4,717,110	$ 1,562,373