Condensed Consolidated Statements of Cash Flows - USD ($)	9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015
Cash flows from operating activities
Net loss	$ (14,406,745)	$ (12,624,339)
Adjustments to reconcile net loss to net cash used in operating activities
Depreciation and amortization	494,828	392,404
Loss on disposal of property and equipment	6,308	0
Deferred tax provision	0	1,662
Noncash interest expense	3,126	1,598,312
Share-based compensation	706,648	1,172,231
Inventory obsolescence	109,367	0
Change in fair value of derivative financial instruments	0	647,342
Changes in operating assets and liabilities, net of effects of acquisition:
Accounts receivable	231,960	507,066
Inventory	(113,560)	288,126
Other assets	124,133	(306,386)
Accounts payable	(349,780)	(814,855)
Accrued compensation and other liabilities	313,644	(1,752,790)
Deferred revenue	13,499	(180,311)
Net cash used in operating activities	(12,866,572)	(11,071,538)
Cash flows from investing activities
Cash acquired in business combinations	0	1,367,211
Purchases of property and equipment (net of proceeds on disposals)	(87,533)	(89,234)
Net cash (used in)/provided by investing activities	(87,533)	1,277,977
Cash flows from financing activities
Proceeds from issuance of common stock, net of issuance costs	124	4,958,335
Proceeds from issuance of convertible notes and warrants, net of issuance costs	0	1,388,815
Proceeds from issuance of promissory notes, net of issuance costs	204,895	1,741,667
Proceeds from exercise of stock options and warrants	23,771	214
Proceeds from initial public offering, net of issuance costs	0	12,408,285
Proceeds from private offering of common stock, preferred stock and warrants, net of issuance costs	9,460,751	0
Payments on debt	(101,796)	(153,750)
Payments on capital lease obligations	(188,231)	(112,200)
Net cash provided by financing activities	9,399,514	20,231,366
Effects of exchange rates on cash	1,276	(193)
Net (decrease)/increase in cash and cash equivalents	(3,553,315)	10,437,612
Cash and cash equivalents at beginning of period	7,814,220	749,517
Cash and cash equivalents at end of period	4,260,905	11,187,129
Supplemental disclosure of cash flow information
Cash paid during the period for interest	46,022	201,233
Supplemental disclosures of noncash investing and financing activities:
Unpaid deferred offering costs	137,178	0
Acquisition of equipment purchased through capital leases	0	429,320
Common stock issued in business combination	0	2,584,090
Conversion of convertible promissory notes to Series A preferred stock	0	3,000,000
Conversion of series A preferred stock into common shares	0	8,183,661
IPO [Member]
Supplemental disclosures of noncash investing and financing activities:
Exchange of demand notes	0	2,100,000
Convertible Debt [Member]
Supplemental disclosures of noncash investing and financing activities:
Exchange of demand notes	$ 0	$ 300,000