Condensed Consolidated Balance Sheets (Unaudited) - USD ($)	Sep. 30, 2018	Dec. 31, 2017
Current assets:
Cash	$ 232,399	$ 461,068
Accounts receivable - net	1,847,683	1,796,757
Inventories	836,468	779,989
Prepaid expenses	743,658	680,326
Total current assets	3,660,208	3,718,140
Property and equipment:
Equipment	3,066,711	2,533,848
Leasehold improvements	1,268,769	581,197
Construction and equipment in progress	90,691	558,602
Total	4,426,171	3,673,647
Less accumulated depreciation and amortization	1,530,183	1,372,821
Net property and equipment	2,895,988	2,300,826
Deferred tax asset	5,653,872	5,735,504
Deferred contract cost	592,160	0
Goodwill	278,466	278,466
Other assets including long-term portion of receivables-net	6,055,630	6,851,697
Total assets	19,136,323	18,884,633
Current liabilities:
Current portion of term loan payable to bank	871,429	754,173
Accounts payable and accrued expenses	589,380	674,600
Total current liabilities	1,460,809	1,428,773
Long-term obligations:
Term loans payable to bank - net of current portion	4,091,887	4,246,375
Convertible notes payable	1,531,502	1,131,982
Deferred contract income	592,160	0
Derivative warrant liability	0	503,851
Derivative conversion liability	0	925,561
Total long-term liabilities	6,215,549	6,807,769
Stockholders' equity:
Common stock – no par value (40,000,000 shares authorized, 20,783,032 issued and outstanding as of December 31, 2017 and 21,583,032 issued and outstanding as of September 30, 2018)	24,739,482	24,322,885
Accumulated deficit	(13,279,517)	(13,674,794)
Total stockholders' equity	11,459,965	10,648,091
Total liabilities and stockholders' equity	$ 19,136,323	$ 18,884,633