Quarterly report pursuant to Section 13 or 15(d)

4. Derivatives (Details Narrative)

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4. Derivatives (Details Narrative) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Jun. 30, 2017
Jun. 30, 2016
Derivative Instruments and Hedging Activities Disclosure [Abstract]        
Recognized (loss) gain on derivative instruments $ 568 $ 228 $ 352 $ 809