CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Current Assets:
Cash and cash equivalents	$ 61,233	$ 136,986
Accounts receivable	8,511	6,491
Inventories	17,609	17,214
Prepaid expenses and other current assets	7,772	4,469
Total Current Assets	95,125	165,160
Property and equipment, net	1,168	1,134
Security deposits	312	312
Total Assets	96,605	166,606
Current Liabilities:
Accounts payable	12,912	23,256
Accrued expenses	15,453	14,658
Interest payable on senior convertible notes	233	233
Deferred revenues	5,000	0
Total Current Liabilities	33,598	38,147
Senior convertible notes, net	17,657	17,302
Long term debt, net	100,327	98,660
Derivative financial instruments, at estimated fair value-warrants	9,334	17,582
Other long-term liabilities	379	433
Total Liabilities	161,295	172,124
Commitments and contingencies
Stockholders’ Deficit
Preferred stock, authorized 20,000,000 shares and none outstanding, at March 31, 2018 and December 31, 2017	0	0
Common stock, par value of $.0001, 400,000,000 shares authorized at March 31, 2018 and December 31, 2017. Issued and outstanding 246,717,367 shares and 246,660,367 shares at March 31, 2018 and December 31, 2017, respectively.	25	25
Additional paid-in capital	808,410	801,787
Accumulated deficit	(873,125)	(807,330)
Total Stockholders’ Deficit	(64,690)	(5,518)
Total Liabilities and Stockholders’ Deficit	$ 96,605	$ 166,606