Condensed Consolidated Statements of Cash Flows - USD ($)	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Cash Flows From Operating Activities:
Net loss	$ (1,789,211)	$ (2,710,184)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	131,551	72,904
Amortization of debt discounts and deferred financing costs	6,130	66,055
Stock-based compensation expense	770,442	788,943
Loss on disposal of property and equipment	17,238	131,465
Provision for bad debt	0	2,503
Changes in operating assets and liabilities:
Accounts receivable	(272,370)	(406,717)
Inventories	18,539	(55,197)
Prepaid expenses and other current assets	(34,500)	40,236
Accounts payable and other accrued expenses	329,514	(37,317)
Accrued compensation and related expenses	(5,413)	131,641
Accrued interest	(1,843)	6,027
Net cash used in operating activities	(829,923)	(1,969,641)
Cash Flows From Investing Activities:
Purchases of property and equipment	(631,082)	(405,258)
Trademark costs	(10,199)	0
Net cash used in investing activities	(641,281)	(405,258)
Cash Flows From Financing Activities:
Proceeds from the common stock offering, net of offering costs	11,571,914	0
Repayment of related-party notes payable	(92,379)	(80,000)
Net cash provided by (used in) financing activities	11,479,535	(80,000)
Net change in cash and cash equivalents	10,008,331	(2,454,899)
Cash and cash equivalents - beginning of period	4,524,529	5,247,425
Cash and cash equivalents - end of period	14,532,860	2,792,526
Supplemental Disclosure of Non-Cash Financing Activities:
Cumulative undeclared preferred dividends recorded upon conversion of Class A convertible preferred stock and Class B convertible preferred stock into common	0	1,068,055
Issuance of common stock for accrued board of director compensation	0	26,901
Offering costs included in additional paid-in capital and accounts payable and other accrued expenses	$ 165,990	$ 0