CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($)	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
CASH FLOWS FROM OPERATING ACTIVITIES:
Net loss	$ (3,422,000)	$ (3,520,937)
Adjustments to reconcile net loss to net cash flows provided by operating activities:
Provision for loss/(gains) on accounts receivable	28,778	5,232
Loss on disposal of equipment	8,028	27,879
Share-based compensation	1,200,336	1,092,260
Inventory obsolescence	10,238	52,723
Depreciation and amortization	3,720,091	3,334,348
Amortization of deferred financing costs and loan discount	28,775	28,775
Changes in operating assets and liabilities
Accounts receivable	(5,010,252)	617,072
Inventories	(1,802,222)	190,775
Prepaid expenses, other non-trade receivables and other current assets	(929,849)	284,943
Operating lease right of use	241,785
Other assets	(36,010)	281,914
Accounts payable	2,555,681	(829,072)
Accrued expenses	(832,986)	(1,784,887)
Other lease liabilities	(217,469)	(7,104)
Net cash flows used in operating activities	(4,457,076)	(226,079)
CASH FLOWS FROM INVESTING ACTIVITIES:
Acquisitions of property, plant and equipment, software and deposits on equipment	(10,453,923)	(4,972,701)
Net cash flows used in investing activities	(10,453,923)	(4,972,701)
CASH FLOWS FROM FINANCING ACTIVITIES:
Proceeds from exercise of options to purchase common stock	1,791,668	53,862
Tax withholdings related to net shares settlements of restricted stock units	(673,774)
Proceeds from borrowings under Credit Facilities	10,000,000	6,000,000
Net cash flows provided by financing activities	11,117,894	6,053,862
NET CHANGE IN CASH AND CASH EQUIVALENTS	(3,793,105)	855,082
CASH AND CASH EQUIVALENTS, BEGINNING OF YEAR	7,554,388	2,184,259
CASH AND CASH EQUIVALENTS, END OF PERIOD	3,761,283	3,039,341
SUPPLEMENTAL CASH FLOW INFORMATION:
Interest paid	29,717	37,293
NON-CASH FINANCING AND INVESTING ACTIVITIES:
Property, plant and equipment purchases in accounts payable	463,546	$ 1,046,377
Non-cash acquisitions of property, plant and equipment	$ 1,749,901