CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($)	6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017
CASH FLOWS FROM OPERATING ACTIVITIES:
Net loss	$ (7,021,456)	$ (5,531,687)
Adjustments to reconcile net loss to net cash flows provided by operating activities:
Provision for loss/(gains) on accounts receivable	(17,443)	47,568
Loss on disposal of equipment and deposits on equipment	76,261	90,873
Share-based compensation	2,394,034	2,159,510
Fair value adjustment for outstanding warrants		378,681
Change in reserve for inventory obsolescence	69,074	104,572
Depreciation and amortization	6,795,380	6,195,619
Amortization of deferred financing costs and loan discount	57,551	81,502
Changes in operating assets and liabilities
Accounts receivable	1,618,733	(2,675,424)
Inventories	(241,151)	(2,387,938)
Prepaid expenses and other current assets	(262,533)	(336,634)
Other assets	(14,371)	(147,201)
Accounts payable	1,665,187	1,369,961
Accrued expenses	(1,964,518)	542,836
Other liabilities	(14,994)
Net cash flows provided by (used in) operating activities	3,139,754	(107,762)
CASH FLOWS FROM INVESTING ACTIVITIES:
Acquisitions of property, plant and equipment, software and deposits on equipment	(8,932,791)	(7,169,300)
Net cash flows used in investing activities	(8,932,791)	(7,169,300)
CASH FLOWS FROM FINANCING ACTIVITIES:
Exercise of options to purchase common stock	999,289	3,544,069
Purchase of stock for tax withholding	(256,226)
Proceeds from borrowings under Credit Facilities	6,000,000	2,000,000
Repayment of borrowings under Credit Facilities	(2,000,000)	(1,500,000)
Net cash flows provided by financing activities	4,743,063	4,044,069
NET CHANGE IN CASH AND CASH EQUIVALENTS	(1,049,974)	(3,232,993)
CASH AND CASH EQUIVALENTS, BEGINNING OF YEAR	2,184,259	3,908,177
CASH AND CASH EQUIVALENTS, END OF PERIOD	1,134,285	675,184
SUPPLEMENTAL CASH FLOW INFORMATION:
Interest paid	104,764	296,116
NON-CASH INVESTING AND FINANCING ACTIVITIES:
Property, plant and equipment purchases in accounts payable	$ 696,024	$ 769,825