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Simple IRA Plan (Details Textual) - August 2000 [Member]
12 Months Ended
Dec. 31, 2015
USD ($)
Dec. 31, 2014
USD ($)
Simple IRA Plan [Line Items]    
Defined Contribution Plan, Number of Employees Covered 100  
Defined Contribution Plan, Maximum Annual Contributions Per Employee, Amount $ 12,500  
Defined Contribution Plan, Employer Matching Contribution, Percent of Employees' Gross Pay 3.00%  
Defined Contribution Plan Employer Matching Contribution Amount $ 10,500 $ 9,734