Pensions (Narrative) (Details) - USD ($) |
3 Months Ended | 12 Months Ended | |
|---|---|---|---|
Mar. 31, 2016 |
Dec. 31, 2015 |
Dec. 31, 2015 |
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| Pensions [Abstract] | |||
| Contributions to the plan | $ 68,000 | $ 650,000 | |
| Pension settlement (costs) benefit | 43,000 | $ (1,222,000) | |
| Pension liability adjustment gains | $ (4,147,836) | ||
| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition Amount of net gain (loss) recognized in net periodic benefit cost as a result of an irrevocable action that relieves the employer (or the plan) of primary responsibility for a benefit obligation and eliminates significant risks related to the obligation and the assets used to effect the settlement. Examples of transactions that constitute a settlement include, but are not limited to, lump-sum cash payments to plan participants in exchange for their rights to receive specified benefits and purchasing nonparticipating annuity contracts to cover vested benefits. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition Amount of discretionary contributions made by an employer to a defined contribution plan. No definition available.
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| X | ||||||||||
- Definition Amount before tax, after reclassification adjustments, of (increase) decrease in accumulated other comprehensive (income) loss related to pension and other postretirement defined benefit plans. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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