Condensed Statements of Cash Flows (Unaudited) - USD ($)	9 Months Ended
Sep. 30, 2018	Sep. 30, 2017
Cash Flows from Operating Activities
Net loss	$ (18,558,028)	$ (15,947,164)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	580,366	394,708
Inventory reserve	(92,488)	(22,431)
Stock-based compensation	511,929	1,232,149
Non-cash interest expense related to credit facility and other financing activities	29,425	23,983
Increase/(decrease) in cash resulting from changes in:
Accounts receivable, net	(283,028)	(1,004,403)
Inventory	9,692	(203,630)
Prepaid expenses and other current assets	277,720	431,355
Accounts payable	413,662	508,176
Accrued liabilities	497,119	671,407
Accrued interest	(241,034)	71,417
Deferred rent	(82,329)	(52,143)
Net cash used in operating activities	(16,936,994)	(13,896,576)
Cash Flows from Investing Activities:
Purchases of fixed assets	(145,253)	(1,055,549)
Net cash used in investing activities	(145,253)	(1,055,549)
Cash Flows from Financing Activities:
Net proceeds from issuance of common stock and warrants	25,688,205	10,583,898
Proceeds from exercise of common stock warrants	0	7,498,535
Payments on equipment financings	(160,111)	(109,811)
Payments on supplier and other third-party financings	(438,290)	(314,270)
Payments on credit facility	(1,197,968)	(1,436,534)
Net cash provided by financing activities	23,891,836	16,221,818
Net increase in Cash	6,809,589	1,269,693
Cash at Beginning of Period	2,146,611	4,609,332
Cash at End of Period	8,956,200	5,879,025
Cash paid during the period for:
Interest	379,587	285,260
Income taxes	$ 739	$ 5,023

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Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Excludes cash and cash equivalents within disposal group and discontinued operation.

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Amount of cash inflow (outflow) from investing activities, including discontinued operations. Investing activity cash flows include making and collecting loans and acquiring and disposing of debt or equity instruments and property, plant, and equipment and other productive assets.

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Interest paid other than in cash for example by issuing additional debt securities. As a noncash item, it is added to net income when calculating cash provided by or used in operations using the indirect method.

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The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method.

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