CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($)	6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016
CASH FLOWS FROM OPERATING ACTIVITIES:
Net loss	$ (5,531,687)	$ (5,014,804)
Adjustments to reconcile net loss to net cash flows provided by operating activities:
Provision for loss on accounts receivable	47,568	10,403
Loss on disposal of equipment and deposits on equipment	90,873	158,612
Share-based compensation	2,159,510	2,671,418
Fair value adjustment for outstanding warrants	378,681	28,175
Change in reserve for inventory obsolescence	104,572	128,112
Depreciation and amortization	6,195,619	4,237,677
Amortization of deferred financing costs and loan discount	81,502	72,069
Changes in operating assets and liabilities
Accounts receivable	(2,675,424)	(1,205,900)
Inventories	(2,387,938)	(1,139,291)
Prepaid expenses and other current assets	(336,634)	(562,498)
Other assets	(147,201)	(160,372)
Accounts payable	1,369,961	1,534,916
Accrued expenses	542,836	2,685,756
Net cash flows provided by (used in) operating activities	(107,762)	3,444,273
CASH FLOWS FROM INVESTING ACTIVITIES:
Proceeds from maturities of short-term investments		3,250,000
Acquisitions of property, plant and equipment, software and deposits on equipment	(7,169,300)	(21,248,425)
Proceeds from sale of equipment		10,672
Net cash flows used in investing activities	(7,169,300)	(17,987,753)
CASH FLOWS FROM FINANCING ACTIVITIES:
Exercise of options to purchase common stock	3,544,069	233,156
Proceeds from borrowings under Credit Facilities	2,000,000	8,000,000
Repayment of borrowings under Credit Facilities	(1,500,000)
Net cash flows provided by financing activities	4,044,069	8,233,156
NET CHANGE IN CASH AND CASH EQUIVALENTS	(3,232,993)	(6,310,324)
CASH AND CASH EQUIVALENTS, BEGINNING OF YEAR	3,908,177	8,029,413
CASH AND CASH EQUIVALENTS, END OF PERIOD	675,184	1,719,089
SUPPLEMENTAL CASH FLOW INFORMATION:
Interest paid	296,116	131,302
NON-CASH INVESTING AND FINANCING ACTIVITIES:
Property, plant and equipment purchases in accounts payable	$ 769,825	$ 1,232,743