Annual report pursuant to Section 13 and 15(d)

Consolidated Statements of Cash Flows

v3.7.0.1
Consolidated Statements of Cash Flows - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Operating activities:    
Net loss $ (27,019) $ (35,378)
Adjustments to reconcile net loss to net cash used in operating activities:    
Depreciation and amortization 102 197
Gain on lease termination (227)
Noncash interest expense 69 190
Financing derivative 252
Reorganization items related to debtor-in-possession financing 1,627
Amortization of premium on marketable securities 130
Stock based compensation expense 844 1,971
Gain on extinguishment of long-term debt (61)
Loss (gain) on sale of property and equipment 22 (56)
Modification of stock options related to executive retirement 479
Modification of stock options related to restructuring activities 480
Issuance of warrants in exchange for services 40 2,507
Issuance of warrants in connection with acquisition of licenses 361
Issuance of common stock in exchange for services 198
Issuance of common stock to officer and directors 1,452
Obligation to issue common stock in settlement of litigation 2,835
Changes in operating assets and liabilities:    
Prepaid expenses and other assets 592 (674)
Accounts payable 4,474 2,465
Accrued expenses (25) (4,400)
Liabilities subject to compromise (3,471)
Net cash used in operating activities (20,961) (29,063)
Investing activities:    
Purchase of marketable securities (3,703)
Proceeds from maturities of marketable securities 33,371
Purchases of property and equipment (136)
Proceeds from sale of property and equipment 11 121
Changes in restricted cash 92 444
Net cash provided by investing activities 103 30,097
Financing activities:    
Increase in restricted cash for notes payable (8,291)
Net proceeds from issuance of common stock 10,132 8,219
Net proceeds of stock option exercise 10
Net proceeds from notes payable 2,993
Net proceeds from convertible notes payable 2,198
Principal payments under notes payable (3,452)
Settlement of fractional shares upon reverse split (2)
Net cash provided by (used in) financing activities 15,333 (3,526)
Net decrease in cash and cash equivalents (5,525) (2,492)
Cash and cash equivalents, beginning of period 8,431 10,923
Cash and cash equivalents, end of period 2,906 8,431
Supplemental cash flow disclosure:    
Cash paid for interest 685
Supplemental disclosure of non-cash financing activities:    
Principal payments under notes payable from restricted cash
Supplemental disclosure of non-cash investing and financing activities:    
Principal payments under notes payable from restricted cash 7,337
Conversion of notes payable and related accrued interest and fees to common stock 3,387
Obligation to issue common stock in settlement of litigation 2,835
Issuance of warrants in connection with acquisition of licenses 361
Issuance of warrants in exchange for services 40 2,507
Issuance of common stock in exchange for services 198
Issuance of common stock to officer and directors 1,452
Issuance of notes payable to vendors $ 1,273