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Shareholders' Equity (Detail Textuals 1) - 2012 Long-Term Incentive Plan - USD ($)
1 Months Ended 3 Months Ended
Jan. 01, 2018
Apr. 18, 2013
Mar. 31, 2017
Apr. 11, 2016
Executive Officers        
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]        
Number of restricted stock issued   165,000    
Number of shares authorized for issuance   300,000   51,000
Vesting period of restricted share awards   4 years    
Compensation expense not yet recognized   $ 1,336,500   $ 406,000
Service period   4 years    
Expense recognized for issuance of restricted shares     $ 53,000  
Number of restricted stock shares vested 28,500      
Number of shares withheld and repurchased 11,341      
Value of shares withheld and repurchased $ 117,000      
Chairman of the Board and Chief Executive Officer (CEO)        
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]        
Number of shares vested 15,000