Quarterly report pursuant to Section 13 or 15(d)

Pensions (Narrative) (Details)

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Pensions (Narrative) (Details) - USD ($)
3 Months Ended 6 Months Ended 12 Months Ended
Dec. 31, 2015
Jun. 30, 2016
Dec. 31, 2015
Pensions [Abstract]      
Contributions to the plan   $ 68,000 $ 650,000
Pension settlement (costs) benefit $ (1,222,000) 43,000  
Pension liability adjustment gains   $ (4,147,836)