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Employee Benefit and Stock Compensation Plans Benefit and Stock Compensation Text tags (Details) - USD ($)
4 Months Ended 12 Months Ended
Sep. 30, 2006
Mar. 31, 2016
Mar. 31, 2015
Mar. 31, 2006
Sep. 30, 2014
Mar. 31, 2014
Mar. 31, 1995
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Share-based Compensation   $ 0          
Defined Contribution Plan, Employer Matching Contribution, Percent   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%      
Allocated Share-based Compensation Expense   $ 0 $ 2,000        
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number   5,924 3,029     4,029  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number   1,924 3,002        
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross   4,000 0        
Payments to Employees   $ 0          
Management Recognition Plan [Member]              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Allocated Share-based Compensation Expense   $ 9,000 $ 10,000        
1995 Stock Option Plan [Member]              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number             22,591
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number   0          
2006 Stock Incentive Plan [Member]              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Number of Outstanding Options   5,925          
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number   1,924          
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant 20,000            
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          
Maximum restricted stock to be granted 2006 Incentive Plan 10,000            
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, Number of Shares Available for Grant         250,000