STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
CASH FLOWS FROM OPERATING ACTIVITIES
Net loss	$ (10,795)	$ (18,173)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	196	182
Stock-based compensation	2,689	11,262
Shares of common stock issued for services, net of forfeitures	678	(10)
Common stock warrant issued as compensation		53
Non-cash interest expense from convertible notes and notes payable		519
Amortization of debt discount	27	177
Change in fair value of convertible notes payable, related parties		671
loss on remeasurement of common stock warrant liability	6	10
Loss (gain) on extinguishment of secured convertible promissory note, related parties		(569)
(Gain) loss on extinguishment of debts, net	161	1,564
(Increase) decrease in current assets:
Accounts receivable	3	18
Prepaid expenses	(301)	(3)
Inventory	(57)
Deposits	(3)	3
Increase (decrease) in current liabilities:
Accounts payable	(193)	393
Accrued expenses	1,109	388
Deferred rent	5
Deferred revenues	(221)	(151)
Net cash used in operating activities	(6,696)	(3,666)
CASH FLOWS FROM INVESTING ACTIVITIES
Purchase of property and equipment	(57)	(130)
Net cash used in investing activities	(57)	(130)
CASH FLOWS FROM FINANCING ACTIVITIES
Dividend payments on preferred stock	(176)
Proceeds from the issuance of series B convertible preferred stock	896	155
Proceeds from the issuance of common stock	18,832
Proceeds from the issuance of convertible notes payable, related parties	310	1,915
Repayments of convertible notes payable, related parties	(310)
Proceeds from the issuance of convertible notes payable	16
Repayments of convertible notes payable	(500)
Proceeds from notes payable, related parties		222
Repayments of notes payable, related parties	(1,101)	(71)
Proceeds from notes payable		1,000
Repayments of notes payable	(29)	(13)
Repayments of capital lease obligations	(21)	(16)
Payment of deferred offering costs		(132)
Proceeds from exercise of stock options and warrants	521	56
Net cash provided by financing activities	18,438	3,116
NET CHANGE IN CASH	11,685	(680)
CASH AT BEGINNING OF PERIOD	141	821
CASH AT END OF PERIOD	11,826	141
SUPPLEMENTAL INFORMATION:
Interest paid	393	16
Income taxes paid
NON-CASH INVESTING AND FINANCING ACTIVITIES:
Issuance of series A convertible preferred stock and common stock warrant in connection with cancellation of debt		4,380
Issuance of series B convertible preferred stock in connection with conversion of convertible notes and notes payable		2,941
Issuance of shares of common stock upon conversion of convertible notes payable	8,387	610
Issuance of capital lease obligations for purchase of equipment	157	30
Debt discount on convertible notes	9	229
Issuance of warrants with notes payable		97
Original issue discount	147
Contributed capital, debt forgiveness by related parties	2,003
Related party convertible note extinguished for settlement payable	$ 404