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2. REVENUE RECOGNITION (Tables) | 6 Months Ended
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Sep. 30, 2023
REVENUE RECOGNITION. |
Summary of revenue disaggregated by customer type | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three Months Ended September 30, | ​ | Six Months Ended September 30, | ​
​ | ​ | 2023 | ​ | 2022 | ​ | 2023 | ​ | 2022 |
​ | ​ | (In thousands) | ​ | (In thousands) | ​
Contract manufacturers |  | $ | 1,324 |  | $ | 1,671 |  | $ | 3,274 |  | $ | 3,206 | ​
Distribution | ​ | ​ | 4,356 | ​ | ​ | 6,813 | ​ | ​ | 7,970 | ​ | ​ | 14,118 | ​
OEMs | ​ | ​ | 28 | ​ | ​ | 469 | ​ | ​ | 51 | ​ | ​ | 538 | ​
​ | ​ | $ | 5,708 | ​ | $ | 8,953 | ​ | $ | 11,295 | ​ | $ | 17,862 | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​

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- Definition Tabular disclosure of disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 5 -URI https://asc.fasb.org/extlink&oid=126920106&loc=SL49130545-203045 + Details
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