Fair value of financial instruments (Details 1) (USD $)
In Thousands, unless otherwise specified |
3 Months Ended | 9 Months Ended | ||
---|---|---|---|---|
Sep. 30, 2013
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Sep. 30, 2012
|
Sep. 30, 2013
|
Sep. 30, 2012
|
|
Derivative Instruments, Gain (Loss) [Line Items] | ||||
Balance, December 31, 2012 | $ 7,166 | |||
Total (gains) or losses (realized/unrealized) included in consolidated statements of operations | 0 | 623 | (2,204) | 13 |
Purchases, issuances and settlements | 0 | |||
Reclassification of derivative liabilities to equity upon modification of terms (Refer to Note 7 and Note 9) | (9,370) | |||
Balance, September 30, 2013 | 0 | 0 | ||
Fair Value, Inputs, Level 3 [Member]
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Derivative Instruments, Gain (Loss) [Line Items] | ||||
Balance, December 31, 2012 | 7,166 | |||
Total (gains) or losses (realized/unrealized) included in consolidated statements of operations | 2,204 | |||
Purchases, issuances and settlements | 0 | |||
Reclassification of derivative liabilities to equity upon modification of terms (Refer to Note 7 and Note 9) | (9,370) | |||
Balance, September 30, 2013 | $ 0 | $ 0 |