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CONSOLIDATED BALANCE SHEETS - USD ($)
$ in Thousands
Jun. 30, 2016
Dec. 31, 2015
Current assets:    
Cash and cash equivalents $ 4,589 $ 1,365
Short-term investments 16,648 26,898
Receivables 8,806 6,517
Inventory 1,780 472
Prepaid expense 2,282 1,894
Total current assets 34,105 37,146
Property and equipment, net 1,251 951
Restricted cash and investments 10,679 10,679
Other assets 73 219
Total assets 46,108 48,995
Current liabilities:    
Accounts payable 5,420 6,428
Accrued expenses 10,452 9,752
Current portion of notes payable 193 73
Total current liabilities 16,065 16,253
Notes payable, net 69,833 49,769
Deferred rent 9,205 9,207
Commitments and contingencies (Note 8)
Shareholders’ deficit:    
Preferred stock, par value $0.01 per share, 20,000,000 shares authorized and none issued and outstanding at June 30, 2016 and December 31, 2015 0
Common stock, par value $0.01 per share, 150,000,000 shares authorized at June 30, 2016 and December 31, 2015; 39,277,231 and 38,040,891 issued and outstanding at June 30, 2016 and December 31, 2015, respectively 393 380
Additional paid-in capital 386,905 376,528
Accumulated deficit (436,293) (403,142)
Total shareholders’ deficit (48,995) (26,234)
Total liabilities and shareholders’ deficit $ 46,108 $ 48,995