CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
CASH FLOWS FROM OPERATING ACTIVITIES:
Cash received from customers and grants	$ 37,930,172	$ 29,804,273
Cash paid to suppliers and employees	(45,655,562)	(41,624,299)
Cash paid for operating and finance leases	(640,844)	0
Interest and taxes, net	(689,272)	38,585
Net cash used in operating activities	(9,055,506)	(11,781,441)
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchase of businesses, net of cash acquired	(100,000)	(5,491,204)
Acquisition of and deposits on fixed assets	(3,502,540)	(1,467,192)
Patent application costs	(297,006)	0
Working capital adjustments related to business combination	145,760	0
Net cash used in investing activities	(3,753,786)	(6,958,396)
CASH FLOWS FROM FINANCING ACTIVITIES:
Proceeds from option exercises	32,486	71,914
Principal payments for finance leases	(19,875)	0
Payments on debt issuance costs	(186,313)	0
Payments on note payable	(181,822)	(64,481)
Proceeds from issuance of long-term debt, net	18,850,000	0
Proceeds from sale of common stock, net	0	27,476,260
Net cash provided by financing activities	18,494,476	27,483,693
Effect of exchange rate changes on cash	61,617	(9,607)
INCREASE IN CASH AND CASH EQUIVALENTS	5,746,801	8,734,249
Cash and cash equivalents - beginning of the period	12,524,551	3,790,302
Cash and cash equivalents - end of the period	18,271,352	12,524,551
RECONCILIATION OF NET LOSS TO NET CASH USED IN OPERATING ACTIVITIES:
Net loss	(13,675,129)	(7,865,649)
Adjustments:
Depreciation and amortization	1,916,194	902,505
Share based compensation	1,655,900	632,805
Benefit from deferred tax liability	(513,715)	(78,432)
Provision for doubtful accounts	20,000	0
Changes in assets and liabilities, net of effects from acquisitions:
Accounts receivable	3,764,045	(5,150,072)
Inventories	(1,457,612)	(3,077,104)
Prepaid expenses and other current assets	64,355	(118,293)
Deposits and other assets	(90,624)	0
Accounts payable and accrued liabilities	(441,015)	2,599,894
Deferred revenue	(297,905)	372,905
Net cash used in operating activities	(9,055,506)	(11,781,441)
Supplemental disclosures for non-cash investing and financing activities:
Deposits on manufacturing equipment transferred to fixed assets	430,000	257,455
Deposits and other assets transferred to intangible assets	0	118,899
Seller-financed equipment purchases	0	326,110
Issuance of common stock for net assets of business acquired	443,291	0
Contingent liability earnout	$ 1,225,000	$ 0