Represents the additional amount of investment in a joint venture agreement.

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- Definition

Represents the amount of increase (decrease) in nonredeemable noncontrolling interests during the period.

+ References

No definition available.

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- Definition

Amount of consideration received or receivable for the disposal of assets and liabilities, including discontinued operation.

+ References

No definition available.

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- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

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- Definition

Net Increase or Decrease in balance of noncontrolling interest in the subsidiary during the reporting period.

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Amount of increase in noncontrolling interest from subsidiary issuance of equity interests to noncontrolling interest holders.

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- Definition

The cash outflow from advancing money to an affiliate (an entity that is related but not strictly controlled by the entity).

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The cash inflow from the sale of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale.

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Amount of transactions with related party during the financial reporting period.

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Reflects the total carrying amount as of the balance sheet date of debt having initial terms less than one year or the normal operating cycle, if longer.

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Note 6 - Related Party Transactions (Details Textual) - USD ($)	1 Months Ended
	Jan. 31, 2023	Jul. 31, 2022	May 31, 2022	Apr. 30, 2022	Jan. 31, 2022	Dec. 31, 2021	Oct. 31, 2021	Sep. 30, 2021	Jun. 30, 2025	Dec. 31, 2024	Sep. 30, 2022
Short-Term Debt									$ 51,349,000	$ 45,963,000
ChaoYang XinMei [Member]
Payments for Advance to Affiliate			$ 800,000	$ 1,100,000
Equity Method Investment, Ownership Percentage		58.50%
ChaoYang XinMei [Member]
Noncontrolling Interest, Period Increase (Decrease)		$ 610,000
Nonredeemable Noncontrolling Interests, Increase (Decrease)		57,000
Noncontrolling Interest, Increase from Subsidiary Equity Issuance				4,500,000
Amount of Additional Investment in Joint Venture Agreement		600,000
ChaoYang XinMei [Member] \| Beijing Tongmei Xtal Technology [Member]
Amount of Additional Investment in Joint Venture Agreement		$ 800,000
Chao Yang LiMei [Member] \| Disposal Group, Held-for-Sale or Disposed of by Sale, Not Discontinued Operations [Member] \| Chaoyang Kaimei Quartz Co [Member]
Disposal Group, Including Discontinued Operation, Consideration											$ 1,500,000
Proceeds from Sale of Property, Plant, and Equipment	$ 1,500,000
Loan From Related Party [Member] \| ChaoYang XinMei [Member]
Nonredeemable Noncontrolling Interests, Increase (Decrease)			100,000
Loan From Related Party [Member] \| Minority Investor [Member] \| ChaoYang XinMei [Member]
Related Party Transaction, Amounts of Transaction							$ 1,000,000	$ 900,000
Short-Term Debt						$ 1,900,000
Payments for Advance to Affiliate			600,000	700,000
Loan From Related Party [Member] \| Beijing Tongmei Xtal Technology [Member] \| ChaoYang XinMei [Member]
Related Party Transaction, Amounts of Transaction					$ 1,400,000	$ 1,400,000
Short-Term Debt					0
Noncontrolling Interest, Period Increase (Decrease)			1,400,000		2,200,000
Nonredeemable Noncontrolling Interests, Increase (Decrease)					$ 200,000
Payments for Advance to Affiliate			$ 800,000	$ 1,100,000