BALANCE SHEETS - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Current assets:
Cash	$ 11,826	$ 141
Accounts receivable	10	13
Prepaid expenses	337	36
Inventory	57
Total current assets	12,230	190
Property and equipment, net	631	613
Deferred offering costs	9	6
Security deposits		132
Total assets	12,870	941
Current liabilities:
Short-term debt	45	27
Accounts payable	351	544
Accrued contract cancellation settlement	1,000
Accrued expenses	371	758
Notes payable, related parties	30	462
Convertible notes payable, related parties		200
Deferred revenue		221
Total current liabilities	1,797	2,212
Notes payable, related parties	6	34
Long-term debt, net	138	450
Common stock warrant liability	69	63
Deferred rent	33	28
Deferred compensation obligations		2,000
Total liabilities	2,043	4,787
Commitments and contingencies ( See note 15)
Stockholders' equity:
Common stock, $0.001 par value, 100,000,000 shares authorized, 10,157,292 and 4,108,766 shares issued and outstanding at December 31, 2016 and 2015, respectively	10	4
Additional paid-in capital	72,069	39,000
Accumulated other comprehensive income, series A convertible preferred stock dividend		17
Stock subscribed, but not issued	59	14
Accumulated deficit	(61,311)	(50,357)
Total stockholders' equity (deficit)	10,827	(11,322)
Total liabilities and stockholders' equity (deficit)	12,870	941
Series A Preferred Stock [Member]
Current liabilities:
Convertible preferred stock		4,380
Series B Convertible Preferred Stock [Member]
Current liabilities:
Convertible preferred stock		$ 3,096