Condensed Consolidated Balance Sheets (Unaudited) - USD ($)	Mar. 31, 2021	Dec. 31, 2020
Current assets:
Cash	$ 1,872,714	$ 1,194,363
Accounts receivable - net	1,032,659	879,502
Inventories	888,488	890,556
Prepaid expenses	477,909	395,918
Total current assets	4,271,770	3,360,339
Property and equipment:
Equipment	3,723,272	3,708,689
Leasehold improvements	2,331,914	2,319,445
Construction and equipment in progress	434,991	510,225
Total	6,490,177	6,538,359
Less accumulated depreciation and amortization	2,083,638	1,989,209
Net property and equipment	4,406,539	4,549,150
Deferred tax asset	3,104,904	3,104,904
Deferred contract cost	834,018	834,018
Goodwill	278,466	278,466
Operating lease right of use assets	5,955,407	6,088,101
Other assets including long-term portion of receivables - net	232,378	201,962
Total assets	19,083,482	18,416,940
Current liabilities:
Accounts payable and accrued expenses	722,326	878,099
Current portion of operating lease liability	413,243	412,005
Total current liabilities	1,135,569	1,290,104
Long-term obligations:
Term loan payable to Corbel	7,574,829	7,468,709
Corbel warrant value	29,037	29,037
Convertible notes payable	580,542	574,479
Operating lease liabilities - net of short-term portion	5,738,732	5,863,615
Deferred contract income	834,018	834,018
Total long-term liabilities	14,757,158	14,769,858
Stockholders' equity:
Common stock - no par value (40,000,000 shares authorized, 22,215,512 issued and outstanding as of December 31, 2020 and as of March 31, 2021)	24,769,816	24,763,447
Accumulated deficit	(21,579,061)	(22,406,469)
Total stockholders' equity	3,190,755	2,356,978
Total liabilities and stockholders' equity	$ 19,083,482	$ 18,416,940