STATEMENTS OF ASSETS AND LIABILITIES (UNAUDITED) - USD ($)	Jun. 30, 2022	Sep. 30, 2021
Assets [Abstract]
Investment in Lumens, at fair value (cost $19,067 and $19,427 as of June 30, 2022 and September 30, 2021, respectively)	$ 8,163,000	$ 21,342,000
Total assets	8,163,000	21,342,000
Liabilities:
Sponsor's Fee payable, related party	0	0
Total liabilities	0	0
Net assets	8,163,000	21,342,000
Net Assets consists of:
Paid-in-capital	19,760,000	19,760,000
Accumulated net investment loss	(833,000)	(499,000)
Accumulated net realized gain on investment in Lumens	140,000	166,000
Accumulated net change in unrealized (depreciation) appreciation on investment in Lumens	(10,904,000)	1,915,000
Net Assets	$ 8,163,000	$ 21,342,000
Shares issued and outstanding, no par value (unlimited Shares authorized)	824,600	824,600
Net asset value per Share	$ 9.90	$ 25.88