Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($)	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Cash flow from operating activities:
Net loss	$ (3,421,802)	$ (3,370,715)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	237,854	323,602
Vesting expense	9,287	36,518
Common stock issued for consulting and other	11,112	162,122
Gain on valuation of equity-linked instruments and derivative liability	(953)	(1,908)
Loss on property and equipment disposal	903	1,200
Changes in assets and liabilities:
Accounts receivable	48,433	89,230
Inventories	50,201	(67,996)
Prepaid expense and other assets	(91,682)	197,123
Accounts payable	331,332	85,037
Accrued expenses	(639,611)	(581,267)
Contract liabilities	37,165	(4,325)
Other long-term liabilities	0	37,683
Net cash used in operating activities:	(3,427,761)	(3,093,696)
Cash flow from investing activities:
Purchase of property and equipment	(24,369)	(45,399)
Acquisition of intangibles	(22,274)	(34,844)
Net cash used in investing activities:	(46,643)	(80,243)
Cash flow from financing activities:
Proceeds from issuance of common stock pursuant to equity line	0	86,885
Net cash provided by financing activities	0	86,885
Net increase (decrease) in cash and cash equivalents	(3,474,404)	(3,087,054)
Cash and cash equivalents at beginning of period	22,071,523	28,202,615
Cash and cash equivalents at end of period	18,597,119	25,115,561
Supplemental disclosure for cash flow information:
Cash payments for interest	0	989
Non-cash transactions:
Right-of-use assets obtained in exchange for lease liabilities	2,922,365	0
Series F Preferred Stock dividend	794	0
Common stock issued to settle accrued board of directors’ compensation	189,896	0
Purchase of property & equipment accrued in accounts payable	146,205	0
Acquisition of intangible assets accrued in accounts payable	$ 3,495	$ 0