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1. THE COMPANY AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) - USD ($) | 3 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Jun. 30, 2017 | Jun. 30, 2016 | Mar. 31, 2018 | Mar. 31, 2017
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |
Retained earnings | $ 62,548,000 |  |  | $ 64,655,000
Provision for income taxes | 81,000 | $ 271,000 |  |
ASU 2016-16 | Adjustments for New Accounting Principle, Early Adoption |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |
Prepaid tax asset | (595,000) |  |  |
Retained earnings | (595,000) |  |  |
Provision for income taxes | (11,000) |  |  |
ASU 2016-09 |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |
Net operating loss carryforwards | 654,000 |  |  |
Valuation allowance | $ 654,000 |  |  |
Forecast | ASU 2016-16 | Adjustments for New Accounting Principle, Early Adoption |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |
Provision for income taxes |  |  | $ (43,000) |

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