15. Commitments and Contingent Liabilities  | 
6 Months Ended | ||||||||||||||||||||||||||||||||||
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Sep. 30, 2017  | |||||||||||||||||||||||||||||||||||
| Commitments And Contingent Liabilities | |||||||||||||||||||||||||||||||||||
| Commitments and Contingent Liabilities | 
 The table below shows approximate lease commitments and other contingent liabilities of the Company for the foreseeable period of one year ending September 30, 2018: 
 
 
 
 
 The Company’s rent expense for office space was $441 and $299 for the three months ended September 30, 2017 and 2016, respectively. The Company’s rent expense for office space was $818 and $ 596 for the six months ended September 30, 2017 and 2016, respectively. 
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