CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
CASH FLOWS FROM OPERATING ACTIVITIES:
Cash received from customers and grants	$ 34,736,133	$ 37,930,172
Cash paid to suppliers and employees	(50,238,409)	(45,655,562)
Cash paid for operating leases	(1,139,944)	(632,952)
Cash paid for finance leases	(19,987)	(7,892)
Interest and taxes, net	(2,225,031)	(689,272)
Net cash used in operating activities	(18,887,238)	(9,055,506)
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchase of businesses, net of cash acquired	0	(100,000)
Acquisition of and deposits on fixed assets	(3,961,369)	(3,502,540)
Patent application costs	(205,493)	(297,006)
Working capital adjustment related to business combination	0	145,760
Net cash used in investing activities	(4,166,862)	(3,753,786)
CASH FLOWS FROM FINANCING ACTIVITIES:
Proceeds from sale of common stock, net	28,436,740	0
Proceeds from option exercises	0	32,486
Principal payments for finance leases	(51,166)	(19,875)
Payments on debt issuance costs	0	(186,313)
Payments on note payable	(180,249)	(181,822)
Proceeds from issuance of long-term debt, net	0	18,850,000
Stimulus package loan	2,978,315	0
Payment of stimulus package loan	(2,978,315)	0
Payments of tax withholding on stock award	(441,723)	0
Net cash provided by financing activities	27,763,602	18,494,476
Effect of exchange rate changes on cash	85,447	61,617
INCREASE IN CASH AND CASH EQUIVALENTS	4,794,949	5,746,801
Cash and cash equivalents - beginning of the period	18,271,352	12,524,551
Cash and cash equivalents - end of the period	23,066,301	18,271,352
RECONCILIATION OF NET LOSS TO NET CASH USED IN OPERATING ACTIVITIES:
Net loss	(25,521,328)	(13,675,129)
Adjustments:
Depreciation and amortization	2,697,126	1,916,194
Share based compensation	1,223,171	1,655,900
Benefit from deferred tax liability	(396,385)	(513,715)
Provision for doubtful accounts	270,193	20,000
Non-cash inventory changes	3,543,515	0
Changes in assets and liabilities, net of effects from acquisitions:
Accounts receivable	283,939	3,764,045
Inventories	(6,461,887)	(1,457,612)
Prepaid expenses and other current assets	(85,670)	64,355
Deposits and other assets	34,195	(90,624)
Accounts payable and accrued liabilities	4,043,896	(441,015)
Deferred revenue	1,481,997	(297,905)
Net cash used in operating activities	(18,887,238)	(9,055,506)
Supplemental disclosures for non-cash investing and financing activities:
Deposits on manufacturing equipment transferred to fixed assets	472,651	430,000
Issuance of common stock for net assets of business acquired	0	443,291
Contingent liability earnout	$ 1,011,261	$ 1,225,000