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CONSOLIDATED CONDENSED BALANCE SHEETS (UNAUDITED) - USD ($)
$ in Thousands
Sep. 30, 2020
Dec. 31, 2019
Current assets:    
Cash and cash equivalents $ 7,626 $ 17,552
Accounts receivable   1,169
Restricted cash   40
Inventories, net 107 107
Other current assets 916 957
Total current assets 8,649 19,825
Property and equipment, net 1,943 2,179
Operating lease right-of-use assets 671 781
Other assets 18 72
Goodwill 372 372
Total assets 11,653 23,229
Current liabilities:    
Accounts payable and accrued expenses 2,083 3,279
Operating lease liability 140 147
Term loan obligations, net of discount 6,181 11,060
Total current liabilities 8,404 14,486
Noncurrent operating lease liability 545 646
Warrant liability 83 6,929
Other noncurrent liabilities   8
Total liabilities 9,032 22,069
Commitments and contingencies (Note 9)
Stockholders’ equity:    
Preferred stock, $0.001 par value; 5,000,000 shares authorized; 1,954 and 1,959 shares issued and outstanding at September 30, 2020 and December 31, 2019, respectively
Common stock, $0.001 par value; 100,000,000 shares authorized; 4,591,415 and 3,880,588 shares issued and outstanding at September 30, 2020 and December 31, 2019, respectively 5 4
Additional paid-in capital 432,540 426,426
Accumulated deficit (429,924) (425,270)
Total stockholders’ equity 2,621 1,160
Total liabilities and stockholders’ equity $ 11,653 $ 23,229