|6 Months Ended|
Jun. 30, 2018
|Debt Disclosure [Abstract]|
|Schedule of Debt [Table Text Block]||
Long-term debt consists of the following obligations as of:
|Senior Leverage ratio covenant [Table Text Block]||
The following is a summary of the additional margin and commitment fees payable on the available revolving credit commitment:
Tabular disclosure of information pertaining to short-term and long-debt instruments or arrangements, including but not limited to identification of terms, features, collateral requirements and other information necessary to a fair presentation.
No definition available.