Quarterly report pursuant to Section 13 or 15(d)

CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (unaudited)

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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (unaudited) (USD $)
In Thousands, unless otherwise specified
9 Months Ended
Sep. 30, 2014
Sep. 30, 2013
Cash flows from operating activities:    
Net loss $ (30,983) $ (71,759)
Adjustments to reconcile net loss to net cash used in operating activities:    
Depreciation 1,398 2,014
Common stock contribution to 401(k) 870 828
Stock-based compensation expense 9,885 3,946
Accrued interest on interest bearing obligations (1,628) 2,031
Revaluation of contingent warrant liabilities (33,685) 25,745
Amortization of debt discount, final payment fee on debt, and debt issuance costs 2,041 1,841
Loss on sale costs and retirement of property and equipment 0 281
Unrealized gain on foreign currency exchange (1,541) (55)
Unrealized loss on foreign exchange options 326 184
Other non-cash adjustments (5) (21)
Changes in assets and liabilities:    
Trade and other receivables, net 361 2,637
Prepaid expenses and other assets (930) (1,042)
Accounts payable and accrued liabilities (4,392) (2,130)
Deferred revenue (2,534) (1,436)
Other liabilities (86) (1,666)
Net cash used in operating activities (60,903) (38,602)
Cash flows from investing activities:    
Proceeds from maturities of investments 15,000 40,000
Net purchase of property and equipment (227) (1,069)
Net cash provided by investing activities 14,773 38,931
Cash flows from financing activities:    
Proceeds from issuance of common stock, net of issuance costs 3,523 29,959
Proceeds from the exercise of warrants 35 438
Principal payments of debt (4,875) (2,083)
Net cash (used in) provided by financing activities (1,317) 28,314
Effect of exchange rate changes on cash (152) 0
Net (decrease) increase in cash and cash equivalents (47,599) 28,643
Cash and cash equivalents at the beginning of the period 101,659 45,345
Cash and cash equivalents at the end of the period 54,060 73,988
Cash paid for:    
Interest 2,848 988
Non-cash investing and financing activities:    
Reclassification of contingent warrant liability to equity upon exercise of warrants (2,526) (1,585)
Interest added to principal balances on long-term debt 157 745
Investment in noncontrolling interest $ 0 $ 171