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Consolidated Balance Sheets - USD ($)
$ in Thousands
Dec. 31, 2017
Dec. 31, 2016
Current assets    
Cash and cash equivalents $ 3,999 $ 4,409
Restricted cash 1,325 27,287
Accounts receivables, net 317 403
Inventories 1,248 660
Prepaid expenses and other current assets 700 698
Deferred financing costs 0 699
Total current assets 7,589 34,156
Property, plant and equipment, net 1,298 1,083
Total assets 8,887 35,239
Current liabilities    
Accounts payable 3,846 594
Accrued expenses 3,408 3,407
Convertible notes payable, net of debt discount 0 13,343
Warrant liability 560 18,751
Total current liabilities 7,814 36,095
Deferred revenue 0 30
Other non-current liabilities 395 604
Total liabilities 8,209 36,729
Commitments and contingencies
Stockholders' Equity (Deficit)    
Preferred stock, $.01 par value; 10,000,000 shares authorized; no shares issued and outstanding at December 31, 2017 and December 31, 2016, respectively 0 0
Common stock, $.01 par value; 500,000,000 shares authorized; 114,055,137 and 11,805 shares issued and 114,054,851 and 11,750 shares outstanding at December 31, 2017 and December 31, 2016, respectively* [1] 1,141 0
Additional paid-in capital 324,378 277,790
Accumulated deficit (324,832) (279,188)
Treasury stock, at cost; 1 share at December 31, 2017 and December 31, 2016, respectively* [1] (51) (51)
Accumulated other comprehensive loss 42 (41)
Total stockholders' equity (deficit) 678 (1,490)
Total liabilities and stockholders' equity (deficit) $ 8,887 $ 35,239
[1] reflects a one-for-sixteen (1:16) reverse stock split effected on July 21, 2016 and a one-for-three hundred and fifty (1:350) reverse stock split effected on November 6, 2017.