Consolidated Balance Sheets - USD ($)
$ in Thousands
Dec. 31, 2015
Dec. 31, 2014
Current assets:    
Cash and cash equivalents $ 30,915 $ 58,527
Prepaid expenses and other current assets 321 796
Total current assets 31,236 59,323
Property and equipment, net 5,213 4,878
Intangible asset, net 200 510
Noncurrent deferred tax assets, net   651
Restricted cash 137 137
Total assets 36,786 65,499
Current liabilities:    
Accounts payable 2,253 4,886
Accrued expenses 1,444 1,676
Accrued expenses due to Intrexon (Note 6) 1,546 7
Current portion of deferred rent 126 219
Current portion of deferred lease incentive 407 407
Current portion of equipment loan 583 405
Total current liabilities 6,359 7,600
Deferred rent, long-term 451 379
Deferred lease incentive, long-term 1,017 1,318
Equipment loan, long-term 761 1,345
Noncurrent deferred tax liabilities, net   651
Total liabilities $ 8,588 $ 11,293
Commitments and contingencies (Note 7)
Stockholders' equity:    
Common stock, $0.01 par value; authorized shares-100,000,000 at December 31, 2015 and 2014; 13,273,470 shares issued and outstanding at December 31, 2015 and 12,755,012 shares issued and outstanding at December 31, 2014 $ 132 $ 127
Additional paid-in capital 193,631 187,620
Accumulated deficit (165,565) (133,541)
Total stockholders' equity 28,198 54,206
Total liabilities and stockholders' equity $ 36,786 $ 65,499