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)