SUMMARY OF BUSINESS AND SIGNIFICANT ACCOUNTING POLICIES, Recent Investment (Details) - $ / shares	Aug. 19, 2022	Sep. 30, 2022	Sep. 30, 2021
Recent Investment [Abstract]
Common stock, par value (in dollars per share)		$ 0.001	$ 0.001
Rubicon Technology, Inc. [Member]
Recent Investment [Abstract]
Common stock shares acquired (in shares)	1,108,000
Common stock, par value (in dollars per share)	$ 0.001
Share price (in dollars per share)	$ 20
Percentage of shares to purchase under cash tender offer	44.99%