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Condensed Consolidating Financial Information - Condensed Cash Flow Statement (Details) - USD ($)
$ in Thousands
6 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Cash flows from operating activities:    
Net cash provided by (used in) operating activities $ 3,639 $ (12,339)
Cash flows from investing activities:    
Investment in multi-client data library (8,482) (8,648)
Purchase of property, plant, equipment and seismic rental equipment (915) (340)
Net cash used in investing activities (9,397) (8,988)
Cash flows from financing activities:    
Payments under revolving line of credit   0
Borrowings under revolving line of credit 0 15,000
Repurchase of common stock 0 (964)
Payments on notes payable and long-term debt (3,157) (4,786)
Cost associated with issuance of notes 0 (6,174)
Costs associated with issuance of equity (123) 0
Intercompany lending 0 0
Payment to repurchase bonds 0 (15,000)
Other financing activities (173) 13
Net cash used in financing activities (3,453) (11,911)
Effect of change in foreign currency exchange rates on cash and cash equivalents (169) 738
Net decrease in cash, and cash equivalents (9,380) (32,500)
Cash and cash equivalents at beginning of period 52,652 84,933
Cash and cash equivalents at end of period 43,272 52,433
Reportable Legal Entities [Member] | ION Geophysical Corporation [Member]    
Cash flows from operating activities:    
Net cash provided by (used in) operating activities (1,731) 11,112
Cash flows from investing activities:    
Investment in multi-client data library 0 0
Purchase of property, plant, equipment and seismic rental equipment (165) 0
Net cash used in investing activities (165) 0
Cash flows from financing activities:    
Payments under revolving line of credit   0
Borrowings under revolving line of credit   15,000
Repurchase of common stock   (964)
Payments on notes payable and long-term debt (1,018) (433)
Cost associated with issuance of notes   (6,174)
Costs associated with issuance of equity (123)  
Intercompany lending (1,574) (11,305)
Payment to repurchase bonds   (15,000)
Other financing activities (173) 13
Net cash used in financing activities (2,888) (18,863)
Effect of change in foreign currency exchange rates on cash and cash equivalents 0 0
Net decrease in cash, and cash equivalents (4,784) (7,751)
Cash and cash equivalents at beginning of period 23,042 33,734
Cash and cash equivalents at end of period 18,258 25,983
Reportable Legal Entities [Member] | The Guarantors [Member]    
Cash flows from operating activities:    
Net cash provided by (used in) operating activities 7,416 7,580
Cash flows from investing activities:    
Investment in multi-client data library (3,962) (8,648)
Purchase of property, plant, equipment and seismic rental equipment (669) (340)
Net cash used in investing activities (4,631) (8,988)
Cash flows from financing activities:    
Payments under revolving line of credit   0
Borrowings under revolving line of credit   0
Repurchase of common stock   0
Payments on notes payable and long-term debt (2,081) (3,986)
Cost associated with issuance of notes   0
Costs associated with issuance of equity 0  
Intercompany lending (704) 5,394
Payment to repurchase bonds   0
Other financing activities 0 0
Net cash used in financing activities (2,785) 1,408
Effect of change in foreign currency exchange rates on cash and cash equivalents 0 0
Net decrease in cash, and cash equivalents 0 0
Cash and cash equivalents at beginning of period 0 0
Cash and cash equivalents at end of period 0 0
Reportable Legal Entities [Member] | All Other Subsidiaries [Member]    
Cash flows from operating activities:    
Net cash provided by (used in) operating activities (2,046) (31,031)
Cash flows from investing activities:    
Investment in multi-client data library (4,520) 0
Purchase of property, plant, equipment and seismic rental equipment (81) 0
Net cash used in investing activities (4,601) 0
Cash flows from financing activities:    
Payments under revolving line of credit   0
Borrowings under revolving line of credit   0
Repurchase of common stock   0
Payments on notes payable and long-term debt (58) (367)
Cost associated with issuance of notes   0
Costs associated with issuance of equity 0  
Intercompany lending 2,278 5,911
Payment to repurchase bonds   0
Other financing activities 0 0
Net cash used in financing activities 2,220 5,544
Effect of change in foreign currency exchange rates on cash and cash equivalents (169) 738
Net decrease in cash, and cash equivalents (4,596) (24,749)
Cash and cash equivalents at beginning of period 29,610 51,199
Cash and cash equivalents at end of period $ 25,014 $ 26,450