Quarterly report pursuant to Section 13 or 15(d)

Condensed Consolidated Statements of Cash Flows

v2.4.0.8
Condensed Consolidated Statements of Cash Flows (USD $)
In Thousands, unless otherwise specified
 6 Months Ended
Jun. 30, 2014
Jun. 30, 2013
Cash flows from operating activities:    
Net loss attributed to Common Stockholders $ (12,081) $ (19,528)
Adjustments to reconcile net loss attributed to Common Stockholders to net cash used in operating activities:    
Stock-based compensation expense 2,598 2,806
Noncash interest expense 555 262
Depreciation expense 11 7
Asset impairment 723 0
Changes in operating assets and liabilities:    
Prepaid and other current assets 124 150
Interest payable (84) (3)
Accounts payable and accrued expenses (1,486) 1,012
End of term charge associated with Hercules Note (398) 0
Other (50) 0
Net cash used in operating activities (10,088) (15,294)
Cash flows from investing activities:    
Purchase of property and equipment 0 (266)
Purchase of investments, short-term (295) 0
Purchase of investment, long-term (250) 0
Net cash used in investing activities (545) (266)
Cash flows from financing activities:    
Proceeds from issuance of Common Stock 606 44,240
Payment of costs related to the issuance of Common Stock (32) (993)
Payment of Hercules Note (13,655) 0
Proceeds from IDB Note 14,009 0
Payment of debt issue costs associated with IDB Note (9) 0
Transfer of restricted cash (14,009) 0
Net cash (used in)/provided by financing activities (13,090) 43,247
(Decrease)/Increase in cash and cash equivalents (23,723) 27,687
Cash and cash equivalents—beginning of period 99,521 40,199
Cash and cash equivalents—end of period 75,798 67,886
Supplemental disclosure of cash flow information:    
Cash paid for interest 614 698
Restricted Stock [Member]
    
Supplemental disclosure of non-cash financing and investing activities:    
Issuance of Restricted Stock $ 4 $ 0