CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Cash flows from operating activities:
Net loss	$ (13,356,425)	$ (17,710,476)
Adjustments to reconcile net loss to net cash used for operating activities:
Depreciation	203,140	153,670
Amortization of intangible assets	45,828	45,224
Amortization of deferred financing costs	127,913	199,328
Write off of deferred financing costs		901,192
Provision for bad debt	125,371	35,478
Stock-based compensation	1,316,509	956,449
Stock grant for service		60,125
Interest added to note payable	461,643	5,022,082
Change in assets and liabilities:
Accounts receivable	(2,036,052)	(1,014,087)
Inventory	(720,340)	184,818
Prepaid expenses and other	(315,556)	187,350
Accounts payable and accrued expenses	1,117,733	498,290
Deferred revenue	(21,583)	29,498
Net cash used for operating activities	(13,051,819)	(10,451,059)
Cash flows from investing activities:
Purchase of property and equipment	(408,782)	(542,045)
Acquisition of intangible assets	(146,736)	(52,002)
Net cash used for investing activities	(555,518)	(594,047)
Cash flows from financing activities:
Proceeds from issuance of common stock	30,968,386	1,625,748
Repayments of long-term debt		(1,750,000)
Debt issuance costs	(180,139)	(820,441)
Proceeds from exercise of stock options	512,799	135,840
Net cash provided by (used in) financing activities	31,301,046	(808,853)
Net increase / (decrease) in cash and cash equivalents	17,693,709	(11,853,959)
Cash and cash equivalents, beginning of year	8,215,791	20,069,750
Cash and cash equivalents, end of period	25,909,500	8,215,791
Supplemental disclosures of cash flow activity:
Cash paid for interest	3,525,978	3,912,463
Supplemental disclosure of non-cash investing and financing activities:
Payments of fixed assets in accounts payable	$ 168,775	22,575
Payments of long term debt with proceeds from note payable of $25,000,000 and issuance of shares of $3,550,000		$ 28,550,000