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Employee Benefit and Stock Compensation Plans Employee Benefit and Stock Compensation Plans Text Tag (Details) - USD ($)
4 Months Ended 12 Months Ended
Sep. 30, 2006
Mar. 31, 2017
Mar. 31, 2016
Mar. 31, 2006
Sep. 30, 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Allocated Share-based Compensation Expense   $ 0 $ 2,000    
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross   0 4,000    
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number   933 1,924    
Defined Contribution Plan, Employer Matching Contribution, Percent of Employees' Gross Pay   100.00%      
Defined Contribution Plan, Employer Matching Contribution, Percent of Match   3.00%      
Percent Net Income Goal to set off profit sharing   70.00%      
Defined Contribution Plan, Maximum Annual Contribution Per Employee, Percent   2.00%      
Defined Contribution Plan, Employers Matching Contribution, Annual Vesting Percentage   20.00%   20.00%  
Compensation Expense   $ 268,000 $ 150,000    
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value   0      
Share-based Compensation   0      
Payments to Employees   0      
1995 Stock Option Plan [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Allocated Share-based Compensation Expense   0 $ 9,000    
2006 Stock Incentive Plan          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Allocated Share-based Compensation Expense   $ 5,000      
Maximum restricted stock to be granted 2006 Incentive Plan 10,000        
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross     4,000    
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number     4,000    
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Number of Outstanding Options   4,133      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number   933      
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant 20,000        
2014 Stock Incentive Plan [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number   0      
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant         250,000