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CONSOLIDATED BALANCE SHEETS - USD ($)
$ in Thousands
Dec. 31, 2019
Dec. 31, 2018
Current assets:    
Cash and cash equivalents $ 17,552 $ 5,261
Accounts receivable 1,169 178
Restricted cash 40 40
Inventories, net 107 107
Other current assets 957 785
Current assets held for sale   3,277
Total current assets 19,825 9,648
Property and equipment, net 2,179 2,299
Operating lease right-use-of assets 781  
Other assets 72 39
Noncurrent assets held for sale   11,633
Goodwill 372 372
Total assets 23,229 23,991
Current liabilities:    
Accounts payable and accrued expenses 3,279 2,777
Operating lease liability 147  
Term loan obligation, net of discount 11,060 14,202
Current liabilities held for sale   580
Total current liabilities 14,486 17,559
Other noncurrent liabilities 8 46
Noncurrent operating lease liability 646  
Warrant liability 6,929 916
Noncurrent liabilities held for sale   245
Total liabilities 22,069 18,766
Commitments and contingencies (Note 7)
Stockholders’ equity:    
Preferred stock, $0.001 par value; 5,000,000 shares authorized; 1,959 and 4,606 shares issued and outstanding in 2019 and 2018, respectively
Common stock, $0.001 par value; 100,000,000 shares authorized; 3,880,588 and 296,609 shares issued and outstanding in 2019 and 2018, respectively 4  
Additional paid-in capital 426,426 418,390
Accumulated other comprehensive income   1,218
Accumulated deficit (425,270) (414,383)
Total stockholders’ equity 1,160 5,225
Total liabilities and stockholders’ equity $ 23,229 $ 23,991