Condensed Consolidated Balance Sheets (Unaudited) - USD ($)	Mar. 31, 2020	Dec. 31, 2019
Current assets:
Cash	$ 1,139,725	$ 218,132
Accounts receivable - net	1,111,017	978,408
Inventories	895,315	880,660
Prepaid expenses	643,987	784,650
Total current assets	3,790,044	2,861,850
Property and equipment:
Equipment	2,900,761	2,899,611
Leasehold improvements	1,187,829	1,187,100
Construction and equipment in progress	920,696	374,525
Total	5,009,286	4,461,236
Less accumulated depreciation and amortization	1,755,467	1,689,520
Net property and equipment	3,253,819	2,771,716
Deferred tax asset	3,982,204	3,900,221
Deferred contract cost	793,884	817,763
Goodwill	278,466	278,466
Operating lease right of use assets	5,041,185	4,242,416
Other assets including long-term portion of receivables - net	4,640,808	4,232,655
Total assets	21,780,410	19,105,087
Current liabilities:
Current portion of term loan payable to bank	0	871,429
Accounts payable and accrued expenses	583,267	731,059
Current portion of operating lease liability	347,826	333,763
Total current liabilities	931,093	1,936,251
Long-term obligations:
Term loans payable to bank (net of current portion)	0	2,999,275
Term loan payable to Corbel	7,194,229	0
Warrant value	29,037	0
Convertible notes payable	556,292	1,501,282
Operating lease liabilities - net of short-term portion	4,808,216	4,016,728
Deferred contract income	793,884	817,763
Total long-term liabilities	13,381,658	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 as of March 31, 2020)	24,747,223	24,858,311
Accumulated deficit	(17,279,564)	(17,024,523)
Total stockholders' equity	7,467,659	7,833,788
Total liabilities and stockholders' equity	$ 21,780,410	$ 19,105,087