CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($)	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
CASH FLOWS FROM OPERATING ACTIVITIES:
Net loss	$ (3,520,937)	$ (2,879,525)
Adjustments to reconcile net loss to net cash flows provided by operating activities:
Provision for loss/(gains) on accounts receivable	5,232	77,164
Loss on disposal of equipment and deposits on equipment	27,879	6,005
Share-based compensation	1,092,260	930,157
Fair value adjustment for outstanding warrants		(108,116)
Change in reserve for inventory obsolescence	52,723	81,925
Depreciation and amortization	3,334,348	3,049,127
Amortization of deferred financing costs and loan discount	28,775	40,751
Changes in operating assets and liabilities
Accounts receivable	617,072	90,753
Inventories	190,775	(2,286,483)
Prepaid expenses and other current assets	284,943	275,711
Other assets	281,914	(265,272)
Accounts payable	(829,072)	3,801,808
Accrued expenses	(1,784,887)	(736,952)
Other liabilities	(7,104)
Net cash flows provided by (used in) operating activities	(226,079)	2,077,053
CASH FLOWS FROM INVESTING ACTIVITIES:
Acquisitions of property, plant and equipment, software and deposits on equipment	(4,972,701)	(3,270,498)
Proceeds from sale of equipment		5,835
Net cash flows used in investing activities	(4,972,701)	(3,264,663)
CASH FLOWS FROM FINANCING ACTIVITIES:
Exercise of options to purchase common stock	53,862	553,221
Proceeds from borrowings under Credit Facilities	6,000,000
Repayment of borrowings under Credit Facilities		(1,250,000)
Net cash flows provided by (used in) financing activities	6,053,862	(696,779)
NET CHANGE IN CASH AND CASH EQUIVALENTS	855,082	(1,884,389)
CASH AND CASH EQUIVALENTS, BEGINNING OF YEAR	2,184,259	3,908,177
CASH AND CASH EQUIVALENTS, END OF PERIOD	3,039,341	2,023,788
SUPPLEMENTAL CASH FLOW INFORMATION:
Interest paid	37,293	154,165
NON-CASH INVESTING AND FINANCING ACTIVITIES:
Property, plant and equipment purchases in accounts payable	$ 1,046,377	$ 1,447,039