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Condensed Consolidated Balance Sheets - USD ($)
$ in Thousands
Sep. 30, 2018
Dec. 31, 2017
Current assets    
Cash and cash equivalents $ 8,913 $ 3,999
Restricted cash 1,062 1,325
Accounts receivables, net 364 317
Inventories 954 1,248
Prepaid expenses and other current assets 527 700
Total current assets 11,820 7,589
Property, plant and equipment, net 1,012 1,298
Total assets 12,832 8,887
Current liabilities    
Accounts payable 6,783 3,846
Accrued expenses 6,125 3,408
Current portion of convertible notes payable, net of debt discount 2,664 0
Warrant liability 1,475 560
Total current liabilities 17,047 7,814
Convertible notes payable, net of current portion and debt discount 116 0
Other non-current liabilities 534 395
Total liabilities 17,697 8,209
Commitments and Contingencies
Stockholders' (deficit) equity    
Preferred stock, $.01 par value; 10,000,000 shares authorized; no shares issued and outstanding at September 30, 2018 and December 31, 2017, respectively 0 0
Common stock, $.01 par value; 1,000,000,000 shares authorized; 5,694,437 and 263,275 shares issued and 5,694,436 and 263,274 shares outstanding at September 30, 2018 and December 31, 2017, respectively* [1] 57 3
Additional paid-in capital 328,209 325,516
Accumulated deficit (333,185) (324,832)
Treasury stock, at cost; 1 share at September 30, 2018 and December 31, 2017, respectively* [1] (51) (51)
Accumulated other comprehensive income 105 42
Total stockholders' (deficit) equity (4,865) 678
Total liabilities and stockholders' equity $ 12,832 $ 8,887
[1] reflects a one-for-three hundred and fifty (1:350) reverse stock split effected on November 6, 2017 and a one-for-five hundred (1:500) reverse stock split effected on May 2, 2018.