FAIR VALUE MEASUREMENTS (Details) - USD ($) $ in Thousands	Sep. 30, 2025	Sep. 30, 2024
FAIR VALUE MEASUREMENTS [Abstract]
Contingent earnout liability, current	$ 2,592	$ 1,262
Contingent earnout liability, noncurrent	$ 1,150	$ 2,119
Rubicon Technology, Inc. [Member]
FAIR VALUE MEASUREMENTS [Abstract]
Percentage of issued and outstanding shares of Rubicon	46.60%	46.60%

Amount of liability recognized arising from contingent consideration in a business combination, expected to be settled within one year or the normal operating cycle, if longer.

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Amount of liability recognized arising from contingent consideration in a business combination, expected to be settled beyond one year or the normal operating cycle, if longer.

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The parent entity's interest in net assets of the subsidiary, expressed as a percentage.

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