Consolidated Balance Sheets - USD ($)	Dec. 31, 2020	Dec. 31, 2019
Current assets:
Cash	$ 1,194,363	$ 218,132
Accounts receivable - net	879,502	978,408
Inventories	890,556	880,660
Prepaid expenses	395,918	784,650
Total current assets	3,360,339	2,861,850
Property and equipment:
Equipment	3,708,689	2,899,611
Leasehold improvements	2,319,445	1,187,100
Construction and equipment in progress	510,225	374,525
Total	6,538,359	4,461,236
Less accumulated depreciation and amortization	1,989,209	1,689,520
Net property and equipment	4,549,150	2,771,716
Deferred tax asset	3,104,904	3,900,221
Deferred contract costs	834,018	817,763
Goodwill	278,466	278,466
Operating lease right of use assets	6,088,101	4,242,416
Other assets including long-term portion of notes receivable - net	201,962	4,232,655
Total assets	18,416,940	19,105,087
Current liabilities:
Current portion of long-term notes payable to bank	0	871,429
Accounts payable and accrued expenses	878,099	731,059
Current portion of operating lease liability	412,005	333,763
Total current liabilities	1,290,104	1,936,251
Long-term obligations:
Term loans payable to bank (net of current portion)	0	2,999,275
Term loan payable to Corbel	7,468,709	0
Warrant value	29,037	0
Convertible notes payable	574,479	1,501,282
Operating lease liabilities	5,863,615	4,016,728
Deferred contract income	834,018	817,763
Total long-term liabilities	14,769,858	9,335,048
Stockholders' equity:
Common stock - no par value (40,000,000 shares authorized, 22,215,512 issued and outstanding as of December 31, 2019 and December 31, 2020)	24,763,447	24,858,311
Accumulated deficit	(22,406,469)	(17,024,523)
Total stockholders' equity	2,356,978	7,833,788
Total liabilities and stockholders' equity	$ 18,416,940	$ 19,105,087