STATEMENTS OF CHANGES IN NET ASSETS (UNAUDITED) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended		12 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Mar. 31, 2024	Mar. 31, 2023	Sep. 30, 2023
Increase (decrease) in net assets from operations:
Net investment loss	$ (38)	$ (41)	$ (75)	$ (84)
Net realized loss on investment in ZEN	(37)	(37)	(78)	(73)	$ (164)
Net change in unrealized appreciation (depreciation) on investment in ZEN	3,419	1,150	4,286	(1,820)	(3,709)
Net increase (decrease) in net assets resulting from operations	3,344	1,072	4,133	(1,977)
Increase in net assets from capital share transactions:
Shares issued	0	0	0	0
Net increase in net assets resulting from capital share transactions	0	0	0	0
Total increase (decrease) in net assets from operations and capital share transactions	3,344	1,072	4,133	(1,977)
Net assets:
Beginning of period	5,460	5,642	4,671	8,691	8,691
End of period	$ 8,804	$ 6,714	$ 8,804	$ 6,714	$ 4,671
Change in Shares outstanding:
Shares outstanding at beginning of period	6,838,000	6,838,000	6,838,000	6,838,000	6,838,000
Shares issued	0	0	0	0
Net increase in Shares	0	0	0	0
Shares outstanding at end of period	6,838,000	6,838,000	6,838,000	6,838,000	6,838,000