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Non-filing Insurance (Tables)
12 Months Ended
Mar. 31, 2018
Non-file Insurance [Abstract]  
Non-filing Insurance
The Company maintains non-filing insurance coverage with an unaffiliated insurance company.  The following is a summary of the non-filing insurance activity for the years ended March 31, 2018, 2017 and 2016:

 
2018
 
2017
 
2016
 
 
 
 
 
 
Insurance premiums written
$
5,987,538

 
5,673,653

 
6,197,928

Recoveries on claims paid
$
1,093,396

 
1,165,092

 
1,125,524

Claims paid
$
6,540,136

 
6,312,511

 
6,884,185