Condensed Consolidated Balance Sheets (Current Period Unaudited) - USD ($)	Mar. 31, 2023	Dec. 31, 2022
Current Assets:
Cash and Cash Equivalents	$ 18,597,119	$ 22,071,523
Accounts Receivable	282,763	331,196
Inventories	380,292	430,493
Prepaid Expense and Other Assets	520,005	526,801
Total Current Assets	19,780,179	23,360,013
Property and Equipment, net	1,771,737	1,833,255
Intangibles, net	272,969	253,865
Lease Right-of-Use Assets	3,062,598	211,893
Other Long-Term Assets	174,096	75,618
Total Assets	25,061,579	25,734,644
LIABILITIES AND STOCKHOLDERS’ EQUITY
Accounts Payable	1,424,484	943,452
Accrued Expenses and Other Liabilities	1,406,069	2,229,075
Derivative Liability	12,880	13,833
Contract Liabilities	639,238	602,073
Lease Liability	427,678	94,237
Total Current Liabilities	3,910,349	3,882,670
Lease Liability – Net of current portion	2,596,845	86,082
Total Liabilities	6,507,194	3,968,752
Commitments and Contingencies
Stockholders’ Equity:
Common Stock, $.01 par value, 200,000,000 shares authorized, 3,969,993 and 3,938,160 shares outstanding as of March 31, 2023 and December 31, 2022, respectively	39,700	39,382
Additional Paid-in Capital	175,712,817	175,503,634
Accumulated Deficit	(157,199,718)	(153,777,916)
Total Stockholders’ Equity	18,554,385	21,765,892
Total Liabilities and Stockholders’ Equity	25,061,579	25,734,644
Series B Convertible Preferred Stock [Member]
Stockholders’ Equity:
Preferred stock	792	792
Series F Preferred Stock [Member]
Stockholders’ Equity:
Preferred stock	$ 794	$ 0