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Summary of Significant Accounting Policies (Tables) | 6 Months Ended
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Sep. 30, 2019
Accounting Policies [Abstract] |
Schedule of cash, cash equivalents and restricted cash |
|  | 2019 |  |  | 2018 |
Cash and cash equivalents |  | $ | 16,053 |  |  | $ | 14,064 |
Restricted cash |  |  | 235 |  |  |  | 185 |
Total cash and cash equivalents and restricted cash |  | $ | 16,288 |  |  | $ | 14,249 |
Schedule of accounts receivable, net |
|  | September 30, |  |  | March 31, |
|  | 2019 |  |  | 2019 |
Accounts receivable, gross |  | $ | 3,847 |  |  | $ | 4,318 |
Less: Allowance for doubtful accounts |  |  | (4 | ) |  |  | (4 | )
Accounts receivable, net |  | $ | 3,843 |  |  | $ | 4,314 |

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