Note 10 - Investments in Affiliates and Controlled Investments - Schedule of Controlled Investments (Details) - USD ($)		12 Months Ended
		Dec. 31, 2025		Dec. 31, 2024		Dec. 31, 2023
Investments, fair value		$ 1,060,474
Realized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax		(25,942,832)		$ (11,686,668)		$ (7,864,982)
Unrealized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax		25,933,093		9,611,554		(22,565,817)
Investments, fair value		225,436		1,060,474
Investments, fair value		225,436		1,060,474
Investment, Affiliated Issuer, Controlled [Member]
Interest		0		80,000		85,356
Investment, Affiliated Issuer and Controlled [Member]
Investments, fair value		315,250		8,560,277
Interest		0		80,000
Sales/maturity/expiration		(176,101)
Realized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax		(25,942,914)		(11,686,668)
Unrealized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax				9,611,866
Investments, fair value		$ 169,165		315,250		8,560,277
Investment, shares/par value (in shares)
Sales/maturity/expiration		$ 176,101
Investments, fair value		169,165		315,250		8,560,277
Total Affiliates and Controlled Investments		25,932,930
Investment, Affiliated Issuer [Member]
Investments, fair value		260,497		299,932
Interest		0		0
Realized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax		0		0
Unrealized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax		(92,855)		(39,435)
Investments, fair value		$ 167,642		260,497		299,932
Investment, shares/par value (in shares)
Investments, fair value		$ 167,642		260,497		299,932
Investment, Controlled [Member]
Investments, fair value		54,753		8,260,345
Purchase/merger
Interest		0		80,000
Sales/maturity/expiration		(176,101)
Realized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax		(25,942,914)		(11,686,668)
Unrealized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax		26,025,785		9,651,301
Investments, fair value		$ 1,523		54,753		8,260,345
Investment, shares/par value (in shares)
Sales/maturity/expiration		$ 176,101
Investments, fair value		1,523		54,753		8,260,345
Equipment Leasing Sector [Member] | Investment, Affiliated Issuer, Controlled [Member]
Investments, fair value		29,466
Interest				0
Realized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax				0
Unrealized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax				(60,761)
Investments, fair value				29,466
Investments, fair value				29,466
Equipment Leasing Sector [Member] | Investment, Affiliated Issuer, Controlled 1 [Member]
Investments, fair value				110,227
Investments, fair value						110,227
Investments, fair value						110,227
Automotive Sector [Member] | Investment, Affiliated Issuer, Controlled [Member]
Investments, fair value		0
Interest				0
Realized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax				0
Unrealized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax				40,000
Investments, fair value				0
Investments, fair value				0
Automotive Sector [Member] | Investment, Affiliated Issuer, Controlled 1 [Member]
Investments, fair value				0
Investments, fair value						0
Investments, fair value						0
Aerospace Sector [Member] | Investment, Affiliated Issuer, Controlled [Member]
Investments, fair value		0
Purchase/merger		0
Interest		0		80,000
Sales/maturity/expiration		(167,478)
Realized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax		167,478		(11,686,668)
Unrealized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax		0		13,596,893
Investments, fair value		$ 0		0
Investment, shares/par value (in shares)		0
Sales/maturity/expiration		$ 167,478
Investments, fair value		0		0
Aerospace Sector [Member] | Investment, Affiliated Issuer, Controlled 1 [Member]
Investments, fair value				4,200,000
Investments, fair value						4,200,000
Investments, fair value						4,200,000
EQX Capital, Inc [Member] | Equipment Leasing Sector [Member]
Investments, fair value		29,466
Investments, fair value				29,466
Investments, fair value				29,466
EQX Capital, Inc [Member] | Equipment Leasing Sector [Member] | Investment, Affiliated Issuer, Controlled [Member]
Investments, fair value		29,466
Interest		0
Realized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax		(1,941,377)
Unrealized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax		1,920,534
Investments, fair value		0		29,466
Investments, fair value		0		29,466
IntraOp Medical Corp. [Member] | Medical Devices Sector [Member]
Investments, fair value		25,287
Investments, fair value		1,523		25,287
Investments, fair value		1,523		25,287
IntraOp Medical Corp. [Member] | Medical Devices Sector [Member] | Investment, Affiliated Issuer, Controlled [Member]
Investments, fair value		25,287
Purchase/merger
Interest		0		0
Sales/maturity/expiration		0
Realized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax		0		0
Unrealized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax		(23,764)		(62,426)
Investments, fair value		$ 1,523		25,287
Investment, shares/par value (in shares)
Sales/maturity/expiration		$ 0
Investments, fair value		1,523		25,287
IntraOp Medical Corp. [Member] | Medical Devices Sector [Member] | Investment, Affiliated Issuer, Controlled 1 [Member]
Investments, fair value		25,287		87,713
Investments, fair value				25,287		87,713
Investments, fair value				25,287		87,713
Wrightspeed Inc [Member] | Automotive Sector [Member]
Investments, fair value		0
Investments, fair value		0		0
Investments, fair value		0		0
Wrightspeed Inc [Member] | Automotive Sector [Member] | Investment, Affiliated Issuer, Controlled [Member]
Investments, fair value	[1]	0		0
Purchase/merger				0	[1]
Interest		0		0	[1]
Sales/maturity/expiration				0	[1]
Realized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax		(24,169,015)		0	[1]
Unrealized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax		24,129,015		0	[1]
Investments, fair value		0		$ 0	[1]	0	[1]
Investment, shares/par value (in shares)	[1]			60,733,693
Sales/maturity/expiration				$ (0)	[1]
Investments, fair value		0		0	[1]	0	[1]
Revasum, Inc [Member] | Semiconductor Equipment Sector [Member] | Investment, Affiliated Issuer, Controlled [Member]
Investments, fair value		0
Purchase/merger		0
Interest		0		0
Sales/maturity/expiration		0		0
Realized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax		0		0
Unrealized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax				(3,862,405)
Investments, fair value		$ 0		0
Investment, shares/par value (in shares)		0
Sales/maturity/expiration		$ 0		(0)
Investments, fair value		0		0
Revasum, Inc [Member] | Semiconductor Equipment Sector [Member] | Investment, Affiliated Issuer, Controlled 1 [Member]
Investments, fair value				3,862,405
Investments, fair value						3,862,405
Investments, fair value						3,862,405
UCT Coatings, Inc. [Member] | Advanced Materials Sector [Member] | Investment, Affiliated Issuer, Controlled [Member]
Investments, fair value		260,497
Purchase/merger
Interest		0		0
Sales/maturity/expiration		0
Realized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax		0		0
Unrealized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax		(92,855)		(39,435)
Investments, fair value		$ 167,642		260,497
Investment, shares/par value (in shares)
Sales/maturity/expiration		$ 0
Investments, fair value		167,642		260,497
UCT Coatings, Inc. [Member] | Advanced Materials Sector [Member] | Investment, Affiliated Issuer, Controlled 1 [Member]
Investments, fair value				299,932
Investments, fair value						299,932
Investments, fair value						299,932
Common Stock [Member] | EQX Capital, Inc [Member] | Equipment Leasing Sector [Member] | Investment, Affiliated Issuer, Controlled [Member]
Investments, fair value	[1]	0
Purchase/merger	[1]	0		0
Interest	[1]	0		0
Sales/maturity/expiration	[1]	0		0
Realized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax	[1]	(20,000)		0
Unrealized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax	[1]	20,000		(55)
Investments, fair value	[1]	$ 0		$ 0
Investment, shares/par value (in shares)	[1]	0		100,000
Sales/maturity/expiration	[1]	$ (0)		$ (0)
Investments, fair value	[1]	0		0
Common Stock [Member] | EQX Capital, Inc [Member] | Equipment Leasing Sector [Member] | Investment, Affiliated Issuer, Controlled 1 [Member]
Investments, fair value	[1]	0		55
Investments, fair value	[1]			0		55
Investments, fair value	[1]			0		55
Common Stock [Member] | Wrightspeed Inc [Member] | Automotive Sector [Member] | Investment, Affiliated Issuer, Controlled [Member]
Investments, fair value	[1]	0
Purchase/merger	[1]	0		0
Interest	[1]	0		0
Sales/maturity/expiration	[1]	0		0
Realized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax	[1]	0		0
Unrealized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax	[1]	0		0
Investments, fair value	[1]	$ 0		$ 0
Investment, shares/par value (in shares)	[1]	69,102		69,102
Sales/maturity/expiration	[1]	$ (0)		$ (0)
Investments, fair value	[1]	0		0
Common Stock [Member] | Wrightspeed Inc [Member] | Automotive Sector [Member] | Investment, Affiliated Issuer, Controlled 1 [Member]
Investments, fair value	[1]			0
Investments, fair value	[1]					0
Investments, fair value	[1]					0
Common Stock [Member] | UCT Coatings, Inc. [Member] | Advanced Materials Sector [Member] | Investment, Affiliated Issuer, Controlled [Member]
Investments, fair value		260,497
Purchase/merger		0		0
Interest		0		0
Sales/maturity/expiration		0		0
Realized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax		0		0
Unrealized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax		(92,855)		(39,435)
Investments, fair value		$ 167,642		$ 260,497
Investment, shares/par value (in shares)		1,500,000		1,500,000
Sales/maturity/expiration		$ 0		$ (0)
Investments, fair value		167,642		260,497
Common Stock [Member] | UCT Coatings, Inc. [Member] | Advanced Materials Sector [Member] | Investment, Affiliated Issuer, Controlled 1 [Member]
Investments, fair value				299,932
Investments, fair value						299,932
Investments, fair value						299,932
Series C Preferred Stock [Member] | IntraOp Medical Corp. [Member] | Medical Devices Sector [Member] | Investment, Affiliated Issuer, Controlled [Member]
Investments, fair value	[1]	0
Purchase/merger	[1]	0		0
Interest	[1]	0		0
Sales/maturity/expiration	[1]	0		0
Realized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax	[1]	0		0
Unrealized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax	[1]	0		0
Investments, fair value	[1]	$ 0		$ 0
Investment, shares/par value (in shares)	[1]	26,856,187		26,856,187
Sales/maturity/expiration	[1]	$ 0		$ (0)
Investments, fair value	[1]	0		0
Series C Preferred Stock [Member] | IntraOp Medical Corp. [Member] | Medical Devices Sector [Member] | Investment, Affiliated Issuer, Controlled 1 [Member]
Investments, fair value	[1]	0		0
Investments, fair value	[1]			0		0
Investments, fair value	[1]			0		0
Series C Preferred Stock [Member] | Hera Systems, Inc. [Member] | Aerospace Sector [Member] | Investment, Affiliated Issuer, Controlled [Member]
Investments, fair value	[1]	0
Purchase/merger	[1]	0		0
Interest	[1]	0		0
Sales/maturity/expiration	[1]	(156,362)		(12,153)
Realized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax	[1]	156,362		(2,637,847)
Unrealized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax	[1]	0		2,650,000
Investments, fair value	[1]	$ 0		$ 0
Investment, shares/par value (in shares)	[1]	0		0
Sales/maturity/expiration	[1]	$ 156,362		$ 12,153
Investments, fair value	[1]	0		0
Series C Preferred Stock [Member] | Hera Systems, Inc. [Member] | Aerospace Sector [Member] | Investment, Affiliated Issuer, Controlled 1 [Member]
Investments, fair value	[1]			0
Investments, fair value	[1]					0
Investments, fair value	[1]					0
Convertible Debt 19 [Member] | IntraOp Medical Corp. [Member] | Medical Devices Sector [Member] | Investment, Affiliated Issuer, Controlled [Member]
Investments, fair value	[1]	636
Purchase/merger	[1]	0		0
Interest	[1]	0		0
Sales/maturity/expiration	[1]	0		0
Realized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax	[1]	0		0
Unrealized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax	[1]	(598)		(337)
Investments, fair value	[1]	$ 38		$ 636
Investment, shares/par value (in shares)	[1]	700,000		150,000
Sales/maturity/expiration	[1]	$ (0)		$ (0)
Investments, fair value	[1]	38		636
Convertible Debt 19 [Member] | IntraOp Medical Corp. [Member] | Medical Devices Sector [Member] | Investment, Affiliated Issuer, Controlled 1 [Member]
Investments, fair value	[1]	136		473
Investments, fair value	[1]			136		473
Investments, fair value	[1]			136		473
Convertible Debt 19 [Member] | Wrightspeed Inc [Member] | Automotive Sector [Member] | Investment, Affiliated Issuer, Controlled [Member]
Investments, fair value	[1]	0
Purchase/merger	[1]	0		0
Interest	[1]	0		0
Sales/maturity/expiration	[1]	0		0
Realized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax	[1]	(1,000,000)		0
Unrealized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax	[1]	1,000,000		0
Investments, fair value	[1]	$ 0		$ 0
Investment, shares/par value (in shares)	[1]	0		1,000,000
Sales/maturity/expiration	[1]	$ (0)		$ (0)
Investments, fair value	[1]	0		0
Convertible Debt 19 [Member] | Wrightspeed Inc [Member] | Automotive Sector [Member] | Investment, Affiliated Issuer, Controlled 1 [Member]
Investments, fair value	[1]			0
Investments, fair value	[1]					0
Investments, fair value	[1]					0
Convertible Debt 12 [Member] | IntraOp Medical Corp. [Member] | Medical Devices Sector [Member] | Investment, Affiliated Issuer, Controlled [Member]
Investments, fair value	[1]	455
Purchase/merger	[1]	0		0
Interest	[1]	0		0
Sales/maturity/expiration	[1]	0		0
Realized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax	[1]	0		0
Unrealized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax	[1]	(428)		(1,122)
Investments, fair value	[1]	$ 27		$ 455
Investment, shares/par value (in shares)	[1]	500,000		500,000
Sales/maturity/expiration	[1]	$ (0)		$ (0)
Investments, fair value	[1]	27		455
Convertible Debt 12 [Member] | IntraOp Medical Corp. [Member] | Medical Devices Sector [Member] | Investment, Affiliated Issuer, Controlled 1 [Member]
Investments, fair value	[1]	455		1,577
Investments, fair value	[1]			455		1,577
Investments, fair value	[1]			455		1,577
Convertible Debt 12 [Member] | Wrightspeed Inc [Member] | Automotive Sector [Member] | Investment, Affiliated Issuer, Controlled [Member]
Investments, fair value	[1]	0
Purchase/merger	[1]	0		0
Interest	[1]	0		0
Sales/maturity/expiration	[1]	0		0
Realized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax	[1]	(250,000)		0
Unrealized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax	[1]	250,000		0
Investments, fair value	[1]	$ 0		$ 0
Investment, shares/par value (in shares)	[1]	0		1,000,000
Sales/maturity/expiration	[1]	$ 0		$ (0)
Investments, fair value	[1]	0		0
Convertible Debt 12 [Member] | Wrightspeed Inc [Member] | Automotive Sector [Member] | Investment, Affiliated Issuer, Controlled 1 [Member]
Investments, fair value	[1]			0
Investments, fair value	[1]					0
Investments, fair value	[1]					0
Convertible Debt 11 [Member] | IntraOp Medical Corp. [Member] | Medical Devices Sector [Member] | Investment, Affiliated Issuer, Controlled [Member]
Investments, fair value	[1]	909
Purchase/merger	[1]	0
Interest	[1]	0
Sales/maturity/expiration	[1]	0
Realized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax	[1]	0
Unrealized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax	[1]	(854)
Investments, fair value	[1]	$ 55		909
Investment, shares/par value (in shares)	[1]	1,000,000
Sales/maturity/expiration	[1]	$ (0)
Investments, fair value	[1]	55		909
Convertible Debt 11 [Member] | Wrightspeed Inc [Member] | Automotive Sector [Member] | Investment, Affiliated Issuer, Controlled [Member]
Investments, fair value	[1]	0
Purchase/merger	[1]	0		0
Interest	[1]	0		0
Sales/maturity/expiration	[1]	0		0
Realized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax	[1]	(250,000)		0
Unrealized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax	[1]	250,000		0
Investments, fair value	[1]	$ 0		$ 0
Investment, shares/par value (in shares)	[1]	0		250,000
Sales/maturity/expiration	[1]	$ 0		$ (0)
Investments, fair value	[1]	0		0
Convertible Debt 11 [Member] | Wrightspeed Inc [Member] | Automotive Sector [Member] | Investment, Affiliated Issuer, Controlled 1 [Member]
Investments, fair value	[1]			0
Investments, fair value	[1]					0
Investments, fair value	[1]					0
Series A Preferred Stock [Member] | EQX Capital, Inc [Member] | Equipment Leasing Sector [Member] | Investment, Affiliated Issuer, Controlled [Member]
Investments, fair value	[1]	29,466
Purchase/merger	[1]	0		0
Interest	[1]	0		0
Sales/maturity/expiration	[1]	(8,623)		(20,000)
Realized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax	[1]	(1,921,377)		0
Unrealized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax	[1]	1,900,534		(60,706)
Investments, fair value	[1]	$ 0		$ 29,466
Investment, shares/par value (in shares)	[1]	0		1,930,000
Sales/maturity/expiration	[1]	$ 8,623		$ 20,000
Investments, fair value	[1]	0		29,466
Series A Preferred Stock [Member] | EQX Capital, Inc [Member] | Equipment Leasing Sector [Member] | Investment, Affiliated Issuer, Controlled 1 [Member]
Investments, fair value	[1]	29,466		110,172
Investments, fair value	[1]			29,466		110,172
Investments, fair value	[1]			29,466		110,172
Series A Preferred Stock [Member] | Hera Systems, Inc. [Member] | Aerospace Sector [Member] | Investment, Affiliated Issuer, Controlled [Member]
Investments, fair value	[1]	0
Purchase/merger	[1]			0
Interest	[1]			0
Sales/maturity/expiration	[1]			(4)
Realized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax	[1]			(1,999,996)
Unrealized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax	[1]			2,000,000
Investments, fair value	[1]			$ 0
Investment, shares/par value (in shares)	[1]			0
Sales/maturity/expiration	[1]			$ 4
Investments, fair value	[1]			0
Series A Preferred Stock [Member] | Hera Systems, Inc. [Member] | Aerospace Sector [Member] | Investment, Affiliated Issuer, Controlled 1 [Member]
Investments, fair value	[1]			0
Investments, fair value	[1]					0
Investments, fair value	[1]					0
Term Note 2 [Member] | IntraOp Medical Corp. [Member] | Medical Devices Sector [Member] | Investment, Affiliated Issuer, Controlled [Member]
Investments, fair value	[1]	1,818
Purchase/merger	[1]	0
Interest	[1]	0		0
Sales/maturity/expiration	[1]	0		0
Realized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax	[1]	0		0
Unrealized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax	[1]	(1,708)		(6,733)
Investments, fair value	[1]	$ 110		$ 1,818
Investment, shares/par value (in shares)	[1]	2,000,000		3,000,000
Sales/maturity/expiration	[1]	$ 0		$ (0)
Investments, fair value	[1]	110		1,818
Term Note 2 [Member] | IntraOp Medical Corp. [Member] | Medical Devices Sector [Member] | Investment, Affiliated Issuer, Controlled 1 [Member]
Investments, fair value	[1]	2,728		9,461
Investments, fair value	[1]			2,728		9,461
Investments, fair value	[1]			2,728		9,461
Convertible Debt 20 [Member] | IntraOp Medical Corp. [Member] | Medical Devices Sector [Member] | Investment, Affiliated Issuer, Controlled [Member]
Investments, fair value	[1]	136
Purchase/merger	[1]	0		0
Interest	[1]	0		0
Sales/maturity/expiration	[1]	0		0
Realized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax	[1]	0		0
Unrealized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax	[1]	(128)		(786)
Investments, fair value	[1]	$ 8		$ 136
Investment, shares/par value (in shares)	[1]	150,000		350,000
Sales/maturity/expiration	[1]	$ (0)		$ (0)
Investments, fair value	[1]	8		136
Convertible Debt 20 [Member] | IntraOp Medical Corp. [Member] | Medical Devices Sector [Member] | Investment, Affiliated Issuer, Controlled 1 [Member]
Investments, fair value	[1]	318		1,104
Investments, fair value	[1]			318		1,104
Investments, fair value	[1]			318		1,104
Convertible Debt 20 [Member] | Wrightspeed Inc [Member] | Automotive Sector [Member] | Investment, Affiliated Issuer, Controlled [Member]
Investments, fair value	[1]	0
Purchase/merger	[1]	0		0
Interest	[1]	0		0
Sales/maturity/expiration	[1]	0		0
Realized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax	[1]	(1,000,000)		0
Unrealized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax	[1]	1,000,000		0
Investments, fair value	[1]	$ 0		$ 0
Investment, shares/par value (in shares)	[1]	0		1,000,000
Sales/maturity/expiration	[1]	$ (0)		$ (0)
Investments, fair value	[1]	0		0
Convertible Debt 20 [Member] | Wrightspeed Inc [Member] | Automotive Sector [Member] | Investment, Affiliated Issuer, Controlled 1 [Member]
Investments, fair value	[1]			0
Investments, fair value	[1]					0
Investments, fair value	[1]					0
Convertible Debt 13 [Member] | IntraOp Medical Corp. [Member] | Medical Devices Sector [Member] | Investment, Affiliated Issuer, Controlled [Member]
Investments, fair value	[1]	455
Purchase/merger	[1]	0		0
Interest	[1]	0		0
Sales/maturity/expiration	[1]	0		0
Realized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax	[1]	0		0
Unrealized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax	[1]	(428)		(2,245)
Investments, fair value	[1]	$ 27		$ 455
Investment, shares/par value (in shares)	[1]	500,000		1,000,000
Sales/maturity/expiration	[1]	$ (0)		$ (0)
Investments, fair value	[1]	27		455
Convertible Debt 13 [Member] | IntraOp Medical Corp. [Member] | Medical Devices Sector [Member] | Investment, Affiliated Issuer, Controlled 1 [Member]
Investments, fair value	[1]	909		3,154
Investments, fair value	[1]			909		3,154
Investments, fair value	[1]			909		3,154
Convertible Debt 13 [Member] | Wrightspeed Inc [Member] | Automotive Sector [Member] | Investment, Affiliated Issuer, Controlled [Member]
Investments, fair value	[1]	0
Purchase/merger	[1]	0		0
Interest	[1]	0		0
Sales/maturity/expiration	[1]	0		0
Realized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax	[1]	(250,000)		0
Unrealized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax	[1]	250,000		0
Investments, fair value	[1]	$ 0		$ 0
Investment, shares/par value (in shares)	[1]	0		700,000
Sales/maturity/expiration	[1]	$ 0		$ (0)
Investments, fair value	[1]	0		0
Convertible Debt 13 [Member] | Wrightspeed Inc [Member] | Automotive Sector [Member] | Investment, Affiliated Issuer, Controlled 1 [Member]
Investments, fair value	[1]			0
Investments, fair value	[1]					0
Investments, fair value	[1]					0
Convertible Debt 21 [Member] | IntraOp Medical Corp. [Member] | Medical Devices Sector [Member] | Investment, Affiliated Issuer, Controlled [Member]
Investments, fair value	[1]	318
Purchase/merger	[1]	0
Interest	[1]	0
Sales/maturity/expiration	[1]	0
Realized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax	[1]	0
Unrealized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax	[1]	(299)		(2,245)
Investments, fair value	[1]	$ 19		$ 318
Investment, shares/par value (in shares)	[1]	350,000		1,000,000
Sales/maturity/expiration	[1]	$ (0)
Investments, fair value	[1]	19		$ 318
Convertible Debt 21 [Member] | IntraOp Medical Corp. [Member] | Medical Devices Sector [Member] | Investment, Affiliated Issuer, Controlled 1 [Member]
Investments, fair value	[1]	909		3,154
Investments, fair value	[1]			909		3,154
Investments, fair value	[1]			909		3,154
Convertible Debt 21 [Member] | Wrightspeed Inc [Member] | Automotive Sector [Member] | Investment, Affiliated Issuer, Controlled [Member]
Investments, fair value	[1]	0
Purchase/merger	[1]	0		0
Interest	[1]	0		0
Sales/maturity/expiration	[1]	0		0
Realized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax	[1]	(1,000,000)		0
Unrealized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax	[1]	1,000,000		0
Investments, fair value	[1]	$ 0		$ 0
Investment, shares/par value (in shares)	[1]	0		1,000,000
Sales/maturity/expiration	[1]	$ (0)		$ (0)
Investments, fair value	[1]	0		0
Convertible Debt 21 [Member] | Wrightspeed Inc [Member] | Automotive Sector [Member] | Investment, Affiliated Issuer, Controlled 1 [Member]
Investments, fair value	[1]			0
Investments, fair value	[1]					0
Investments, fair value	[1]					0
Convertible Debt 14 [Member] | IntraOp Medical Corp. [Member] | Medical Devices Sector [Member] | Investment, Affiliated Issuer, Controlled [Member]
Investments, fair value	[1]	909
Purchase/merger	[1]	0		0
Interest	[1]	0		0
Sales/maturity/expiration	[1]	0		0
Realized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax	[1]	0		0
Unrealized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax	[1]	(854)		(1,122)
Investments, fair value	[1]	$ 55		$ 909
Investment, shares/par value (in shares)	[1]	1,000,000		500,000
Sales/maturity/expiration	[1]	$ (0)		$ (0)
Investments, fair value	[1]	55		909
Convertible Debt 14 [Member] | IntraOp Medical Corp. [Member] | Medical Devices Sector [Member] | Investment, Affiliated Issuer, Controlled 1 [Member]
Investments, fair value	[1]	455		1,577
Investments, fair value	[1]			455		1,577
Investments, fair value	[1]			455		1,577
Convertible Debt 14 [Member] | Wrightspeed Inc [Member] | Automotive Sector [Member] | Investment, Affiliated Issuer, Controlled [Member]
Investments, fair value	[1]	0
Purchase/merger	[1]	0		0
Interest	[1]	0		0
Sales/maturity/expiration	[1]	0		0
Realized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax	[1]	(135,000)		0
Unrealized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax	[1]	135,000		0
Investments, fair value	[1]	$ 0		$ 0
Investment, shares/par value (in shares)	[1]	0		250,000
Sales/maturity/expiration	[1]	$ 0		$ (0)
Investments, fair value	[1]	0		0
Convertible Debt 14 [Member] | Wrightspeed Inc [Member] | Automotive Sector [Member] | Investment, Affiliated Issuer, Controlled 1 [Member]
Investments, fair value	[1]			0
Investments, fair value	[1]					0
Investments, fair value	[1]					0
Convertible Debt 22 [Member] | IntraOp Medical Corp. [Member] | Medical Devices Sector [Member] | Investment, Affiliated Issuer, Controlled [Member]
Unrealized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax	[1]			$ (1,122)
Investment, shares/par value (in shares)	[1]			500,000
Convertible Debt 22 [Member] | IntraOp Medical Corp. [Member] | Medical Devices Sector [Member] | Investment, Affiliated Issuer, Controlled 1 [Member]
Investments, fair value	[1]	455		$ 1,577
Investments, fair value	[1]			455		1,577
Investments, fair value	[1]			455		1,577
Convertible Debt 22 [Member] | Wrightspeed Inc [Member] | Automotive Sector [Member] | Investment, Affiliated Issuer, Controlled [Member]
Investments, fair value	[1]	0
Purchase/merger	[1]	0		0
Interest	[1]	0		0
Sales/maturity/expiration	[1]	0		0
Realized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax	[1]	(1,000,000)		0
Unrealized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax	[1]	1,000,000		0
Investments, fair value	[1]	$ 0		$ 0
Investment, shares/par value (in shares)	[1]	0		300,000
Sales/maturity/expiration	[1]	$ (0)		$ (0)
Investments, fair value	[1]	0		0
Convertible Debt 22 [Member] | Wrightspeed Inc [Member] | Automotive Sector [Member] | Investment, Affiliated Issuer, Controlled 1 [Member]
Investments, fair value	[1]			0
Investments, fair value	[1]					0
Investments, fair value	[1]					0
Convertible Debt 15 [Member] | IntraOp Medical Corp. [Member] | Medical Devices Sector [Member] | Investment, Affiliated Issuer, Controlled [Member]
Investments, fair value	[1]	455
Purchase/merger	[1]	0		0
Interest	[1]	0		0
Sales/maturity/expiration	[1]	0		0
Realized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax	[1]	0		0
Unrealized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax	[1]	(428)		(1,122)
Investments, fair value	[1]	$ 27		$ 455
Investment, shares/par value (in shares)	[1]	500,000		500,000
Sales/maturity/expiration	[1]	$ (0)		$ (0)
Investments, fair value	[1]	27		455
Convertible Debt 15 [Member] | IntraOp Medical Corp. [Member] | Medical Devices Sector [Member] | Investment, Affiliated Issuer, Controlled 1 [Member]
Investments, fair value	[1]	455		1,577
Investments, fair value	[1]			455		1,577
Investments, fair value	[1]			455		1,577
Convertible Debt 15 [Member] | Wrightspeed Inc [Member] | Automotive Sector [Member] | Investment, Affiliated Issuer, Controlled [Member]
Investments, fair value	[1]	0
Purchase/merger	[1]	0		0
Interest	[1]	0		0
Sales/maturity/expiration	[1]	0		0
Realized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax	[1]	(165,000)		0
Unrealized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax	[1]	165,000		0
Investments, fair value	[1]	$ 0		$ 0
Investment, shares/par value (in shares)	[1]	0		250,000
Sales/maturity/expiration	[1]	$ 0		$ (0)
Investments, fair value	[1]	0		0
Convertible Debt 15 [Member] | Wrightspeed Inc [Member] | Automotive Sector [Member] | Investment, Affiliated Issuer, Controlled 1 [Member]
Investments, fair value	[1]			0
Investments, fair value	[1]					0
Investments, fair value	[1]					0
Convertible Debt 1 [Member] | IntraOp Medical Corp. [Member] | Medical Devices Sector [Member] | Investment, Affiliated Issuer, Controlled [Member]
Investments, fair value	[1]	9,966
Purchase/merger	[1]	0		0
Interest	[1]	0		0
Sales/maturity/expiration	[1]	0		0
Realized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax	[1]	0		0
Unrealized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax	[1]	(9,366)		(24,604)
Investments, fair value	[1]	$ 600		$ 9,966
Investment, shares/par value (in shares)	[1]	10,961,129		10,961,129
Sales/maturity/expiration	[1]	$ (0)		$ (0)
Investments, fair value	[1]	600		9,966
Convertible Debt 1 [Member] | IntraOp Medical Corp. [Member] | Medical Devices Sector [Member] | Investment, Affiliated Issuer, Controlled 1 [Member]
Investments, fair value	[1]	9,966		34,570
Investments, fair value	[1]			9,966		34,570
Investments, fair value	[1]			9,966		34,570
Convertible Debt 1 [Member] | Wrightspeed Inc [Member] | Automotive Sector [Member] | Investment, Affiliated Issuer, Controlled [Member]
Investments, fair value	[1]	0
Purchase/merger	[1]	0
Interest	[1]	0
Sales/maturity/expiration	[1]	0
Realized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax	[1]	(1,000,000)
Unrealized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax	[1]	1,000,000
Investments, fair value	[1]	$ 0		0
Investment, shares/par value (in shares)	[1]	0
Sales/maturity/expiration	[1]	$ 0
Investments, fair value	[1]	0		0
Convertible Debt 1 [Member] | Hera Systems, Inc. [Member] | Aerospace Sector [Member] | Investment, Affiliated Issuer, Controlled [Member]
Investments, fair value	[1]	0
Purchase/merger	[1]			0
Interest	[1]			0
Sales/maturity/expiration	[1]			(4,866,666)
Realized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax	[1]			(493,125)
Unrealized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax	[1]			1,928,108
Investments, fair value	[1]			$ 0
Investment, shares/par value (in shares)	[1]			0
Sales/maturity/expiration	[1]			$ 4,866,666
Investments, fair value	[1]			0
Convertible Debt 1 [Member] | Hera Systems, Inc. [Member] | Aerospace Sector [Member] | Investment, Affiliated Issuer, Controlled 1 [Member]
Investments, fair value	[1]	0		3,431,683
Purchase/merger	[1]	0
Interest	[1]	0
Sales/maturity/expiration	[1]	(11,116)
Realized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax	[1]	11,116
Unrealized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax	[1]	0
Investments, fair value	[1]	$ 0		0		3,431,683
Investment, shares/par value (in shares)	[1]	0
Sales/maturity/expiration	[1]	$ 11,116
Investments, fair value	[1]	0		0		3,431,683
Chess Depositary Interests (CDIs) [Member] | Revasum, Inc [Member] | Semiconductor Equipment Sector [Member] | Investment, Affiliated Issuer, Controlled [Member]
Investments, fair value	[1],[2]	0
Purchase/merger	[1]	0	[3]	0	[2]
Interest	[1]	0	[3]	0	[2]
Sales/maturity/expiration	[1]	0	[3]	0	[2]
Realized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax	[1]	0	[3]	0	[2]
Unrealized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax	[1]	$ 0	[3]	(3,862,405)	[2]
Investments, fair value	[1],[2]			$ 0
Investment, shares/par value (in shares)	[1]	39,774,889	[3]	39,774,889	[2]
Sales/maturity/expiration	[1]	$ 0	[3]	$ (0)	[2]
Investments, fair value	[1],[2]			0
Chess Depositary Interests (CDIs) [Member] | Revasum, Inc [Member] | Semiconductor Equipment Sector [Member] | Investment, Affiliated Issuer, Controlled 1 [Member]
Investments, fair value	[1]	0	[3]	3,862,405	[2]
Investments, fair value	[1]	0	[3]	0	[3]	3,862,405	[2]
Investments, fair value	[1]	0	[3]	0	[3]	3,862,405	[2]
Convertible Debt 23 [Member] | Wrightspeed Inc [Member] | Automotive Sector [Member] | Investment, Affiliated Issuer, Controlled [Member]
Investments, fair value	[1]	0
Purchase/merger	[1]	0		0
Interest	[1]	0		0
Sales/maturity/expiration	[1]	0		0
Realized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax	[1]	(1,200,000)		0
Unrealized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax	[1]	1,200,000		0
Investments, fair value	[1]	$ 0		$ 0
Investment, shares/par value (in shares)	[1]	0		400,000
Sales/maturity/expiration	[1]	$ (0)		$ (0)
Investments, fair value	[1]	0		0
Convertible Debt 23 [Member] | Wrightspeed Inc [Member] | Automotive Sector [Member] | Investment, Affiliated Issuer, Controlled 1 [Member]
Investments, fair value	[1]			0
Investments, fair value	[1]					0
Investments, fair value	[1]					0
Convertible Debt 16 [Member] | IntraOp Medical Corp. [Member] | Medical Devices Sector [Member] | Investment, Affiliated Issuer, Controlled [Member]
Investments, fair value	[1]	455
Purchase/merger	[1]	0		0
Interest	[1]	0		0
Sales/maturity/expiration	[1]	0		0
Realized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax	[1]	0		0
Unrealized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax	[1]	(428)		(1,122)
Investments, fair value	[1]	$ 27		$ 455
Investment, shares/par value (in shares)	[1]	500,000		500,000
Sales/maturity/expiration	[1]	$ (0)		$ (0)
Investments, fair value	[1]	27		455
Convertible Debt 16 [Member] | IntraOp Medical Corp. [Member] | Medical Devices Sector [Member] | Investment, Affiliated Issuer, Controlled 1 [Member]
Investments, fair value	[1]	455		1,577
Investments, fair value	[1]			455		1,577
Investments, fair value	[1]			455		1,577
Convertible Debt 16 [Member] | Wrightspeed Inc [Member] | Automotive Sector [Member] | Investment, Affiliated Issuer, Controlled [Member]
Investments, fair value	[1]	0
Purchase/merger	[1]	0		0
Interest	[1]	0		0
Sales/maturity/expiration	[1]	0		0
Realized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax	[1]	(40,000)		0
Unrealized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax	[1]	0		0
Investments, fair value	[1]	$ 0		$ 0
Investment, shares/par value (in shares)	[1]	0		250,000
Sales/maturity/expiration	[1]	$ 0		$ (0)
Investments, fair value	[1]	0		0
Convertible Debt 16 [Member] | Wrightspeed Inc [Member] | Automotive Sector [Member] | Investment, Affiliated Issuer, Controlled 1 [Member]
Investments, fair value	[1]			0
Investments, fair value	[1]					0
Investments, fair value	[1]					0
Convertible Debt 2 [Member] | IntraOp Medical Corp. [Member] | Medical Devices Sector [Member] | Investment, Affiliated Issuer, Controlled [Member]
Investments, fair value	[1]	1,182
Purchase/merger	[1]	0		0
Interest	[1]	0		0
Sales/maturity/expiration	[1]	0		0
Realized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax	[1]	0		0
Unrealized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax	[1]	(1,111)		(2,918)
Investments, fair value	[1]	$ 71		$ 1,182
Investment, shares/par value (in shares)	[1]	1,300,000		1,300,000
Sales/maturity/expiration	[1]	$ (0)		$ (0)
Investments, fair value	[1]	71		1,182
Convertible Debt 2 [Member] | IntraOp Medical Corp. [Member] | Medical Devices Sector [Member] | Investment, Affiliated Issuer, Controlled 1 [Member]
Investments, fair value	[1]	1,182		4,100
Investments, fair value	[1]			1,182		4,100
Investments, fair value	[1]			1,182		4,100
Convertible Debt 2 [Member] | Wrightspeed Inc [Member] | Automotive Sector [Member] | Investment, Affiliated Issuer, Controlled [Member]
Investments, fair value	[1]	0
Purchase/merger	[1]	0		0
Interest	[1]	0		0
Sales/maturity/expiration	[1]	0		0
Realized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax	[1]	(1,000,000)		0
Unrealized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax	[1]	1,000,000		0
Investments, fair value	[1]	$ 0		$ 0
Investment, shares/par value (in shares)	[1]	0		200,000
Sales/maturity/expiration	[1]	$ 0		$ (0)
Investments, fair value	[1]	0		0
Convertible Debt 2 [Member] | Wrightspeed Inc [Member] | Automotive Sector [Member] | Investment, Affiliated Issuer, Controlled 1 [Member]
Investments, fair value	[1]			0
Investments, fair value	[1]					0
Investments, fair value	[1]					0
Convertible Debt 2 [Member] | Hera Systems, Inc. [Member] | Aerospace Sector [Member] | Investment, Affiliated Issuer, Controlled [Member]
Investments, fair value	[1]	0
Purchase/merger	[1]			0
Interest	[1]			80,000
Sales/maturity/expiration	[1]			(1,089,594)
Realized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax	[1]			(110,406)
Unrealized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax	[1]			431,683
Investments, fair value	[1]			$ 0
Investment, shares/par value (in shares)	[1]			0
Sales/maturity/expiration	[1]			$ 1,089,594
Investments, fair value	[1]			0
Convertible Debt 2 [Member] | Hera Systems, Inc. [Member] | Aerospace Sector [Member] | Investment, Affiliated Issuer, Controlled 1 [Member]
Investments, fair value	[1]			768,317
Investments, fair value	[1]					768,317
Investments, fair value	[1]					768,317
Convertible Debt 24 [Member] | Wrightspeed Inc [Member] | Automotive Sector [Member] | Investment, Affiliated Issuer, Controlled [Member]
Investments, fair value	[1]	0
Purchase/merger	[1]	0		0
Interest	[1]	0		0
Sales/maturity/expiration	[1]	0		0
Realized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax	[1]	(1,400,000)		0
Unrealized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax	[1]	1,400,000		0
Investments, fair value	[1]	$ 0		$ 0
Investment, shares/par value (in shares)	[1]	0		2,000,000
Sales/maturity/expiration	[1]	$ (0)		$ (0)
Investments, fair value	[1]	0		0
Convertible Debt 24 [Member] | Wrightspeed Inc [Member] | Automotive Sector [Member] | Investment, Affiliated Issuer, Controlled 1 [Member]
Investments, fair value	[1]			0
Investments, fair value	[1]					0
Investments, fair value	[1]					0
Convertible Debt 17 [Member] | IntraOp Medical Corp. [Member] | Medical Devices Sector [Member] | Investment, Affiliated Issuer, Controlled [Member]
Investments, fair value	[1]	455
Purchase/merger	[1]	0		0
Interest	[1]	0		0
Sales/maturity/expiration	[1]	0		0
Realized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax	[1]	0		0
Unrealized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax	[1]	(428)		(449)
Investments, fair value	[1]	$ 27		$ 455
Investment, shares/par value (in shares)	[1]	500,000		200,000
Sales/maturity/expiration	[1]	$ (0)		$ (0)
Investments, fair value	[1]	27		455
Convertible Debt 17 [Member] | IntraOp Medical Corp. [Member] | Medical Devices Sector [Member] | Investment, Affiliated Issuer, Controlled 1 [Member]
Investments, fair value	[1]	182		631
Investments, fair value	[1]			182		631
Investments, fair value	[1]			182		631
Convertible Debt 17 [Member] | Wrightspeed Inc [Member] | Automotive Sector [Member] | Investment, Affiliated Issuer, Controlled [Member]
Investments, fair value	[1]	0
Purchase/merger	[1]	0		0
Interest	[1]	0		0
Sales/maturity/expiration	[1]	0		0
Realized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax	[1]	(700,000)		0
Unrealized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax	[1]	700,000		0
Investments, fair value	[1]	$ 0		$ 0
Investment, shares/par value (in shares)	[1]	0		65,000
Sales/maturity/expiration	[1]	$ 0		$ (0)
Investments, fair value	[1]	0		0
Convertible Debt 17 [Member] | Wrightspeed Inc [Member] | Automotive Sector [Member] | Investment, Affiliated Issuer, Controlled 1 [Member]
Investments, fair value	[1]			0
Investments, fair value	[1]					0
Investments, fair value	[1]					0
Convertible Debt 25 [Member] | Wrightspeed Inc [Member] | Automotive Sector [Member] | Investment, Affiliated Issuer, Controlled [Member]
Investments, fair value	[1]	0
Purchase/merger	[1]	0		0
Interest	[1]	0		0
Sales/maturity/expiration	[1]	0		0
Realized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax	[1]	(250,000)		0
Unrealized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax	[1]	250,000		0
Investments, fair value	[1]	$ 0		$ 0
Investment, shares/par value (in shares)	[1]	0		1,400,000
Sales/maturity/expiration	[1]	$ (0)		$ (0)
Investments, fair value	[1]	0		0
Convertible Debt 25 [Member] | Wrightspeed Inc [Member] | Automotive Sector [Member] | Investment, Affiliated Issuer, Controlled 1 [Member]
Investments, fair value	[1]			0
Investments, fair value	[1]					0
Investments, fair value	[1]					0
Convertible Debt 18 [Member] | IntraOp Medical Corp. [Member] | Medical Devices Sector [Member] | Investment, Affiliated Issuer, Controlled [Member]
Investments, fair value	[1]	182
Purchase/merger	[1]	0		0
Interest	[1]	0		0
Sales/maturity/expiration	[1]	0		0
Realized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax	[1]	0		0
Unrealized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax	[1]	(171)		(1,572)
Investments, fair value	[1]	$ 11		$ 182
Investment, shares/par value (in shares)	[1]	200,000		700,000
Sales/maturity/expiration	[1]	$ (0)		$ (0)
Investments, fair value	[1]	11		182
Convertible Debt 18 [Member] | IntraOp Medical Corp. [Member] | Medical Devices Sector [Member] | Investment, Affiliated Issuer, Controlled 1 [Member]
Investments, fair value	[1]	636		2,208
Investments, fair value	[1]			636		2,208
Investments, fair value	[1]			636		2,208
Convertible Debt 18 [Member] | Wrightspeed Inc [Member] | Automotive Sector [Member] | Investment, Affiliated Issuer, Controlled [Member]
Investments, fair value	[1]	0
Purchase/merger	[1]	0		0
Interest	[1]	0		0
Sales/maturity/expiration	[1]	0		0
Realized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax	[1]	(300,000)		0
Unrealized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax	[1]	300,000		0
Investments, fair value	[1]	$ 0		$ 0
Investment, shares/par value (in shares)	[1]	0		185,000
Sales/maturity/expiration	[1]	$ 0		$ (0)
Investments, fair value	[1]	0		0
Convertible Debt 18 [Member] | Wrightspeed Inc [Member] | Automotive Sector [Member] | Investment, Affiliated Issuer, Controlled 1 [Member]
Investments, fair value	[1]			0
Investments, fair value	[1]					0
Investments, fair value	[1]					0
Series B Preferred Stock [Member] | Hera Systems, Inc. [Member] | Aerospace Sector [Member] | Investment, Affiliated Issuer, Controlled [Member]
Investments, fair value	[1]	0
Purchase/merger	[1]			2,441
Interest	[1]			0
Sales/maturity/expiration	[1]			(144,249)
Realized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax	[1]			(6,445,294)
Unrealized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax	[1]			6,587,102
Investments, fair value	[1]			$ 0
Investment, shares/par value (in shares)	[1]			0
Sales/maturity/expiration	[1]			$ 144,249
Investments, fair value	[1]			0
Series B Preferred Stock [Member] | Hera Systems, Inc. [Member] | Aerospace Sector [Member] | Investment, Affiliated Issuer, Controlled 1 [Member]
Investments, fair value	[1]			0
Investments, fair value	[1]					0
Investments, fair value	[1]					0
Convertible Debt 26 [Member] | Wrightspeed Inc [Member] | Automotive Sector [Member] | Investment, Affiliated Issuer, Controlled [Member]
Investments, fair value	[1]	0
Purchase/merger	[1]	0		0
Interest	[1]	0		0
Sales/maturity/expiration	[1]	0		0
Realized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax	[1]	(400,000)		0
Unrealized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax	[1]	400,000		0
Investments, fair value	[1]	$ 0		$ 0
Investment, shares/par value (in shares)	[1]	0		1,200,000
Sales/maturity/expiration	[1]	$ (0)		$ (0)
Investments, fair value	[1]	0		0
Convertible Debt 26 [Member] | Wrightspeed Inc [Member] | Automotive Sector [Member] | Investment, Affiliated Issuer, Controlled 1 [Member]
Investments, fair value	[1]			0
Investments, fair value	[1]					0
Investments, fair value	[1]					0
Series B Preferred Stock Warrants [Member] | Hera Systems, Inc. [Member] | Aerospace Sector [Member] | Investment, Affiliated Issuer, Controlled [Member]
Investments, fair value	[1]	0
Purchase/merger	[1]			0
Interest	[1]			0
Sales/maturity/expiration	[1]			0
Realized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax	[1]			0
Unrealized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax	[1]			0
Investments, fair value	[1]			$ 0
Investment, shares/par value (in shares)	[1]			0
Sales/maturity/expiration	[1]			$ (0)
Investments, fair value	[1]			0
Series B Preferred Stock Warrants [Member] | Hera Systems, Inc. [Member] | Aerospace Sector [Member] | Investment, Affiliated Issuer, Controlled 1 [Member]
Investments, fair value	[1]			0
Investments, fair value	[1]					0
Investments, fair value	[1]					0
Convertible Debt 27 [Member] | Wrightspeed Inc [Member] | Automotive Sector [Member] | Investment, Affiliated Issuer, Controlled [Member]
Investments, fair value	[1]	0
Purchase/merger	[1]	0		0
Interest	[1]	0		0
Sales/maturity/expiration	[1]	0		0
Realized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax	[1]	(375,000)		0
Unrealized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax	[1]	375,000		0
Investments, fair value	[1]	$ 0		$ 0
Investment, shares/par value (in shares)	[1]	0		1,000,000
Sales/maturity/expiration	[1]	$ (0)		$ (0)
Investments, fair value	[1]	0		0
Convertible Debt 27 [Member] | Wrightspeed Inc [Member] | Automotive Sector [Member] | Investment, Affiliated Issuer, Controlled 1 [Member]
Investments, fair value	[1]			0
Investments, fair value	[1]					0
Investments, fair value	[1]					0
Convertible Debt 3 [Member] | IntraOp Medical Corp. [Member] | Medical Devices Sector [Member] | Investment, Affiliated Issuer, Controlled [Member]
Investments, fair value	[1]	454
Purchase/merger	[1]	0		0
Interest	[1]	0		0
Sales/maturity/expiration	[1]	0		0
Realized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax	[1]	0		0
Unrealized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax	[1]	(426)		(1,123)
Investments, fair value	[1]	$ 28		$ 454
Investment, shares/par value (in shares)	[1]	500,000		500,000
Sales/maturity/expiration	[1]	$ (0)		$ (0)
Investments, fair value	[1]	28		454
Convertible Debt 3 [Member] | IntraOp Medical Corp. [Member] | Medical Devices Sector [Member] | Investment, Affiliated Issuer, Controlled 1 [Member]
Investments, fair value	[1]	454		1,577
Investments, fair value	[1]			454		1,577
Investments, fair value	[1]			454		1,577
Convertible Debt 3 [Member] | Wrightspeed Inc [Member] | Automotive Sector [Member] | Investment, Affiliated Issuer, Controlled [Member]
Investments, fair value	[1]	0
Purchase/merger	[1]	0		0
Interest	[1]	0		0
Sales/maturity/expiration	[1]	0		0
Realized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax	[1]	(1,000,000)		0
Unrealized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax	[1]	1,000,000		0
Investments, fair value	[1]	$ 0		$ 0
Investment, shares/par value (in shares)	[1]	0		250,000
Sales/maturity/expiration	[1]	$ 0		$ (0)
Investments, fair value	[1]	0		0
Convertible Debt 3 [Member] | Wrightspeed Inc [Member] | Automotive Sector [Member] | Investment, Affiliated Issuer, Controlled 1 [Member]
Investments, fair value	[1]			0
Investments, fair value	[1]					0
Investments, fair value	[1]					0
Series B Preferred Stock Warrants 2 [Member] | Hera Systems, Inc. [Member] | Aerospace Sector [Member] | Investment, Affiliated Issuer, Controlled [Member]
Investments, fair value	[1]	0
Purchase/merger	[1]			0
Interest	[1]			0
Sales/maturity/expiration	[1]			0
Realized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax	[1]			0
Unrealized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax	[1]			0
Investments, fair value	[1]			$ 0
Investment, shares/par value (in shares)	[1]			0
Sales/maturity/expiration	[1]			$ (0)
Investments, fair value	[1]			0
Series B Preferred Stock Warrants 2 [Member] | Hera Systems, Inc. [Member] | Aerospace Sector [Member] | Investment, Affiliated Issuer, Controlled 1 [Member]
Investments, fair value	[1]			0
Investments, fair value	[1]					0
Investments, fair value	[1]					0
Convertible Debt 28 [Member] | Wrightspeed Inc [Member] | Automotive Sector [Member] | Investment, Affiliated Issuer, Controlled [Member]
Investments, fair value	[1]	0
Purchase/merger	[1]	0		0
Interest	[1]	0		0
Sales/maturity/expiration	[1]	0		0
Realized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax	[1]	(400,000)		0
Unrealized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax	[1]	400,000		0
Investments, fair value	[1]	$ 0		$ 0
Investment, shares/par value (in shares)	[1]	0		250,000
Sales/maturity/expiration	[1]	$ (0)		$ (0)
Investments, fair value	[1]	0		0
Convertible Debt 28 [Member] | Wrightspeed Inc [Member] | Automotive Sector [Member] | Investment, Affiliated Issuer, Controlled 1 [Member]
Investments, fair value	[1]			0
Investments, fair value	[1]					0
Investments, fair value	[1]					0
Convertible Debt 4 [Member] | IntraOp Medical Corp. [Member] | Medical Devices Sector [Member] | Investment, Affiliated Issuer, Controlled [Member]
Investments, fair value	[1]	455
Purchase/merger	[1]	0		0
Interest	[1]	0		0
Sales/maturity/expiration	[1]	0		0
Realized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax	[1]	0		0
Unrealized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax	[1]	(427)		(1,123)
Investments, fair value	[1]	$ 28		$ 455
Investment, shares/par value (in shares)	[1]	500,000		500,000
Sales/maturity/expiration	[1]	$ (0)		$ (0)
Investments, fair value	[1]	28		455
Convertible Debt 4 [Member] | IntraOp Medical Corp. [Member] | Medical Devices Sector [Member] | Investment, Affiliated Issuer, Controlled 1 [Member]
Investments, fair value	[1]	454		1,577
Investments, fair value	[1]			454		1,577
Investments, fair value	[1]			454		1,577
Convertible Debt 4 [Member] | Wrightspeed Inc [Member] | Automotive Sector [Member] | Investment, Affiliated Issuer, Controlled [Member]
Investments, fair value	[1]	0
Purchase/merger	[1]	0		0
Interest	[1]	0		0
Sales/maturity/expiration	[1]	0		0
Realized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax	[1]	(200,000)		0
Unrealized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax	[1]	200,000		0
Investments, fair value	[1]	$ 0		$ 0
Investment, shares/par value (in shares)	[1]	0		100,000
Sales/maturity/expiration	[1]	$ 0		$ (0)
Investments, fair value	[1]	0		0
Convertible Debt 4 [Member] | Wrightspeed Inc [Member] | Automotive Sector [Member] | Investment, Affiliated Issuer, Controlled 1 [Member]
Investments, fair value	[1]			0
Investments, fair value	[1]					0
Investments, fair value	[1]					0
Series B Preferred Stock Warrants 3 [Member] | Hera Systems, Inc. [Member] | Aerospace Sector [Member] | Investment, Affiliated Issuer, Controlled [Member]
Investments, fair value	[1]	0
Purchase/merger	[1]			0
Interest	[1]			0
Sales/maturity/expiration	[1]			0
Realized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax	[1]			0
Unrealized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax	[1]			0
Investments, fair value	[1]			$ 0
Investment, shares/par value (in shares)	[1]			0
Sales/maturity/expiration	[1]			$ (0)
Investments, fair value	[1]			0
Series B Preferred Stock Warrants 3 [Member] | Hera Systems, Inc. [Member] | Aerospace Sector [Member] | Investment, Affiliated Issuer, Controlled 1 [Member]
Investments, fair value	[1]			0
Investments, fair value	[1]					0
Investments, fair value	[1]					0
Convertible Debt 29 [Member] | Wrightspeed Inc [Member] | Automotive Sector [Member] | Investment, Affiliated Issuer, Controlled [Member]
Investments, fair value	[1]	0
Purchase/merger	[1]	0		0
Interest	[1]	0		0
Sales/maturity/expiration	[1]	0		0
Realized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax	[1]	(1,050,000)		0
Unrealized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax	[1]	1,050,000		0
Investments, fair value	[1]	$ 0		$ 0
Investment, shares/par value (in shares)	[1]	0		1,000,000
Sales/maturity/expiration	[1]	$ (0)		$ (0)
Investments, fair value	[1]	0		0
Convertible Debt 29 [Member] | Wrightspeed Inc [Member] | Automotive Sector [Member] | Investment, Affiliated Issuer, Controlled 1 [Member]
Investments, fair value	[1]			0
Investments, fair value	[1]					0
Investments, fair value	[1]					0
Convertible Debt 5 [Member] | IntraOp Medical Corp. [Member] | Medical Devices Sector [Member] | Investment, Affiliated Issuer, Controlled [Member]
Investments, fair value	[1]	682
Purchase/merger	[1]	0		0
Interest	[1]	0		0
Sales/maturity/expiration	[1]	0		0
Realized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax	[1]	0		0
Unrealized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax	[1]	(641)		(2,245)
Investments, fair value	[1]	$ 41		$ 682
Investment, shares/par value (in shares)	[1]	750,000		1,000,000
Sales/maturity/expiration	[1]	$ (0)		$ (0)
Investments, fair value	[1]	41		682
Convertible Debt 5 [Member] | IntraOp Medical Corp. [Member] | Medical Devices Sector [Member] | Investment, Affiliated Issuer, Controlled 1 [Member]
Investments, fair value	[1]	909		3,154
Investments, fair value	[1]			909		3,154
Investments, fair value	[1]			909		3,154
Convertible Debt 5 [Member] | Wrightspeed Inc [Member] | Automotive Sector [Member] | Investment, Affiliated Issuer, Controlled [Member]
Investments, fair value	[1]	0
Purchase/merger	[1]	0		0
Interest	[1]	0		0
Sales/maturity/expiration	[1]	0		0
Realized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax	[1]	(185,000)		0
Unrealized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax	[1]	185,000		0
Investments, fair value	[1]	$ 0		$ 0
Investment, shares/par value (in shares)	[1]	0		125,000
Sales/maturity/expiration	[1]	$ 0		$ (0)
Investments, fair value	[1]	0		0
Convertible Debt 5 [Member] | Wrightspeed Inc [Member] | Automotive Sector [Member] | Investment, Affiliated Issuer, Controlled 1 [Member]
Investments, fair value	[1]			0
Investments, fair value	[1]					0
Investments, fair value	[1]					0
Series B Preferred Stock Warrants 4 [Member] | Hera Systems, Inc. [Member] | Aerospace Sector [Member] | Investment, Affiliated Issuer, Controlled [Member]
Investments, fair value	[1]	0
Purchase/merger	[1]			0
Interest	[1]			0
Sales/maturity/expiration	[1]			0
Realized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax	[1]			0
Unrealized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax	[1]			0
Investments, fair value	[1]			$ 0
Investment, shares/par value (in shares)	[1]			0
Sales/maturity/expiration	[1]			$ (0)
Investments, fair value	[1]			0
Series B Preferred Stock Warrants 4 [Member] | Hera Systems, Inc. [Member] | Aerospace Sector [Member] | Investment, Affiliated Issuer, Controlled 1 [Member]
Investments, fair value	[1]			0
Investments, fair value	[1]					0
Investments, fair value	[1]					0
Convertible Debt 30 [Member] | Wrightspeed Inc [Member] | Automotive Sector [Member] | Investment, Affiliated Issuer, Controlled [Member]
Investments, fair value	[1]	0
Purchase/merger	[1]	0		0
Interest	[1]	0		0
Sales/maturity/expiration	[1]	0		0
Realized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax	[1]	(900,000)		0
Unrealized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax	[1]	900,000		0
Investments, fair value	[1]	$ 0		$ 0
Investment, shares/par value (in shares)	[1]	0		1,050,000
Sales/maturity/expiration	[1]	$ (0)		$ (0)
Investments, fair value	[1]	0		0
Convertible Debt 30 [Member] | Wrightspeed Inc [Member] | Automotive Sector [Member] | Investment, Affiliated Issuer, Controlled 1 [Member]
Investments, fair value	[1]			0
Investments, fair value	[1]					0
Investments, fair value	[1]					0
Convertible Debt 6 [Member] | IntraOp Medical Corp. [Member] | Medical Devices Sector [Member] | Investment, Affiliated Issuer, Controlled [Member]
Investments, fair value	[1]	455
Purchase/merger	[1]	0		0
Interest	[1]	0		0
Sales/maturity/expiration	[1]	0		0
Realized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax	[1]	0		0
Unrealized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax	[1]	(427)		(897)
Investments, fair value	[1]	$ 28		$ 455
Investment, shares/par value (in shares)	[1]	500,000		400,000
Sales/maturity/expiration	[1]	$ (0)		$ (0)
Investments, fair value	[1]	28		455
Convertible Debt 6 [Member] | IntraOp Medical Corp. [Member] | Medical Devices Sector [Member] | Investment, Affiliated Issuer, Controlled 1 [Member]
Investments, fair value	[1]	364		1,261
Investments, fair value	[1]			364		1,261
Investments, fair value	[1]			364		1,261
Convertible Debt 6 [Member] | Wrightspeed Inc [Member] | Automotive Sector [Member] | Investment, Affiliated Issuer, Controlled [Member]
Investments, fair value	[1]	0
Purchase/merger	[1]	0		0
Interest	[1]	0		0
Sales/maturity/expiration	[1]	0		0
Realized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax	[1]	(65,000)		0
Unrealized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax	[1]	65,000		0
Investments, fair value	[1]	$ 0		$ 0
Investment, shares/par value (in shares)	[1]	0		165,000
Sales/maturity/expiration	[1]	$ 0		$ (0)
Investments, fair value	[1]	0		0
Convertible Debt 6 [Member] | Wrightspeed Inc [Member] | Automotive Sector [Member] | Investment, Affiliated Issuer, Controlled 1 [Member]
Investments, fair value	[1]			0
Investments, fair value	[1]					0
Investments, fair value	[1]					0
Convertible Debt 31 [Member] | Wrightspeed Inc [Member] | Automotive Sector [Member] | Investment, Affiliated Issuer, Controlled [Member]
Investments, fair value	[1]	0
Purchase/merger	[1]	0		0
Interest	[1]	0		0
Sales/maturity/expiration	[1]	0		0
Realized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax	[1]	(750,000)		0
Unrealized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax	[1]	750,000		0
Investments, fair value	[1]	$ 0		$ 0
Investment, shares/par value (in shares)	[1]	0		400,000
Sales/maturity/expiration	[1]	$ (0)		$ (0)
Investments, fair value	[1]	0		0
Convertible Debt 31 [Member] | Wrightspeed Inc [Member] | Automotive Sector [Member] | Investment, Affiliated Issuer, Controlled 1 [Member]
Investments, fair value	[1]			0
Investments, fair value	[1]					0
Investments, fair value	[1]					0
Term Note [Member] | IntraOp Medical Corp. [Member] | Medical Devices Sector [Member] | Investment, Affiliated Issuer, Controlled [Member]
Investments, fair value	[1]	2,728
Purchase/merger	[1]	0		0
Interest	[1]	0		0
Sales/maturity/expiration	[1]	0		0
Realized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax	[1]	0		0
Unrealized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax	[1]	(2,564)		(4,490)
Investments, fair value	[1]	$ 164		$ 2,728
Investment, shares/par value (in shares)	[1]	3,000,000		2,000,000
Sales/maturity/expiration	[1]	$ (0)		$ (0)
Investments, fair value	[1]	164		2,728
Term Note [Member] | IntraOp Medical Corp. [Member] | Medical Devices Sector [Member] | Investment, Affiliated Issuer, Controlled 1 [Member]
Investments, fair value	[1]	1,818		6,308
Investments, fair value	[1]			1,818		6,308
Investments, fair value	[1]			1,818		6,308
Convertible Debt 7 [Member] | IntraOp Medical Corp. [Member] | Medical Devices Sector [Member] | Investment, Affiliated Issuer, Controlled [Member]
Investments, fair value	[1]	909
Purchase/merger	[1]	0		0
Interest	[1]	0		0
Sales/maturity/expiration	[1]	0		0
Realized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax	[1]	0		0
Unrealized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax	[1]	(854)		(1,122)
Investments, fair value	[1]	$ 55		$ 909
Investment, shares/par value (in shares)	[1]	1,000,000		500,000
Sales/maturity/expiration	[1]	$ (0)		$ (0)
Investments, fair value	[1]	55		909
Convertible Debt 7 [Member] | IntraOp Medical Corp. [Member] | Medical Devices Sector [Member] | Investment, Affiliated Issuer, Controlled 1 [Member]
Investments, fair value	[1]	455		1,577
Investments, fair value	[1]			455		1,577
Investments, fair value	[1]			455		1,577
Convertible Debt 7 [Member] | Wrightspeed Inc [Member] | Automotive Sector [Member] | Investment, Affiliated Issuer, Controlled [Member]
Investments, fair value	[1]	0
Purchase/merger	[1]	0		0
Interest	[1]	0		0
Sales/maturity/expiration	[1]	0		0
Realized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax	[1]	(250,000)		0
Unrealized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax	[1]	250,000		0
Investments, fair value	[1]	$ 0		$ 0
Investment, shares/par value (in shares)	[1]	0		135,000
Sales/maturity/expiration	[1]	$ 0		$ (0)
Investments, fair value	[1]	0		0
Convertible Debt 7 [Member] | Wrightspeed Inc [Member] | Automotive Sector [Member] | Investment, Affiliated Issuer, Controlled 1 [Member]
Investments, fair value	[1]			0
Investments, fair value	[1]					0
Investments, fair value	[1]					0
Convertible Debt 32 [Member] | Wrightspeed Inc [Member] | Automotive Sector [Member] | Investment, Affiliated Issuer, Controlled [Member]
Investments, fair value	[1]	0
Purchase/merger	[1]	0		0
Interest	[1]	0		0
Sales/maturity/expiration	[1]	0		0
Realized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax	[1]	(4,929,015)		0
Unrealized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax	[1]	4,929,015		0
Investments, fair value	[1]	$ 0		$ 0
Investment, shares/par value (in shares)	[1]	0		375,000
Sales/maturity/expiration	[1]	$ (0)		$ (0)
Investments, fair value	[1]	0		0
Convertible Debt 32 [Member] | Wrightspeed Inc [Member] | Automotive Sector [Member] | Investment, Affiliated Issuer, Controlled 1 [Member]
Investments, fair value	[1]			0
Investments, fair value	[1]					0
Investments, fair value	[1]					0
Convertible Debt 8 [Member] | IntraOp Medical Corp. [Member] | Medical Devices Sector [Member] | Investment, Affiliated Issuer, Controlled [Member]
Investments, fair value	[1]	454
Purchase/merger	[1]	0		0
Interest	[1]	0		0
Sales/maturity/expiration	[1]	0		0
Realized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax	[1]	0		0
Unrealized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax	[1]	(426)		(1,683)
Investments, fair value	[1]	$ 28		$ 454
Investment, shares/par value (in shares)	[1]	500,000		750,000
Sales/maturity/expiration	[1]	$ (0)		$ (0)
Investments, fair value	[1]	28		454
Convertible Debt 8 [Member] | IntraOp Medical Corp. [Member] | Medical Devices Sector [Member] | Investment, Affiliated Issuer, Controlled 1 [Member]
Investments, fair value	[1]	682		2,365
Investments, fair value	[1]			682		2,365
Investments, fair value	[1]			682		2,365
Convertible Debt 8 [Member] | Wrightspeed Inc [Member] | Automotive Sector [Member] | Investment, Affiliated Issuer, Controlled [Member]
Investments, fair value	[1]	0
Purchase/merger	[1]	0		0
Interest	[1]	0		0
Sales/maturity/expiration	[1]	0		0
Realized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax	[1]	(250,000)		0
Unrealized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax	[1]	250,000		0
Investments, fair value	[1]	$ 0		$ 0
Investment, shares/par value (in shares)	[1]	0		250,000
Sales/maturity/expiration	[1]	$ 0		$ (0)
Investments, fair value	[1]	0		0
Convertible Debt 8 [Member] | Wrightspeed Inc [Member] | Automotive Sector [Member] | Investment, Affiliated Issuer, Controlled 1 [Member]
Investments, fair value	[1]			0
Investments, fair value	[1]					0
Investments, fair value	[1]					0
Convertible Debt 33 [Member] | Wrightspeed Inc [Member] | Automotive Sector [Member] | Investment, Affiliated Issuer, Controlled [Member]
Investments, fair value	[1]	0
Purchase/merger	[1]	0		0
Interest	[1]	0		0
Sales/maturity/expiration	[1]	0		0
Realized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax	[1]	(125,000)		0
Unrealized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax	[1]	125,000		0
Investments, fair value	[1]	$ 0		$ 0
Investment, shares/par value (in shares)	[1]	0		900,000
Sales/maturity/expiration	[1]	$ (0)		$ (0)
Investments, fair value	[1]	0		0
Convertible Debt 33 [Member] | Wrightspeed Inc [Member] | Automotive Sector [Member] | Investment, Affiliated Issuer, Controlled 1 [Member]
Investments, fair value	[1]			0
Investments, fair value	[1]					0
Investments, fair value	[1]					0
Convertible Debt 9 [Member] | IntraOp Medical Corp. [Member] | Medical Devices Sector [Member] | Investment, Affiliated Issuer, Controlled [Member]
Investments, fair value	[1]	364
Purchase/merger	[1]	0		0
Interest	[1]	0		0
Sales/maturity/expiration	[1]	0		0
Realized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax	[1]	0		0
Unrealized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax	[1]	(342)		(1,122)
Investments, fair value	[1]	$ 22		$ 364
Investment, shares/par value (in shares)	[1]	400,000		500,000
Sales/maturity/expiration	[1]	$ (0)		$ (0)
Investments, fair value	[1]	22		364
Convertible Debt 9 [Member] | IntraOp Medical Corp. [Member] | Medical Devices Sector [Member] | Investment, Affiliated Issuer, Controlled 1 [Member]
Investments, fair value	[1]	455		1,577
Investments, fair value	[1]			455		1,577
Investments, fair value	[1]			455		1,577
Convertible Debt 9 [Member] | Wrightspeed Inc [Member] | Automotive Sector [Member] | Investment, Affiliated Issuer, Controlled [Member]
Investments, fair value	[1]	0
Purchase/merger	[1]	0		0
Interest	[1]	0		0
Sales/maturity/expiration	[1]	0		0
Realized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax	[1]	(2,000,000)		0
Unrealized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax	[1]	2,000,000		0
Investments, fair value	[1]	$ 0		$ 0
Investment, shares/par value (in shares)	[1]	0		250,000
Sales/maturity/expiration	[1]	$ 0		$ (0)
Investments, fair value	[1]	0		0
Convertible Debt 9 [Member] | Wrightspeed Inc [Member] | Automotive Sector [Member] | Investment, Affiliated Issuer, Controlled 1 [Member]
Investments, fair value	[1]			0
Investments, fair value	[1]					0
Investments, fair value	[1]					0
Convertible Debt 34 [Member] | Wrightspeed Inc [Member] | Automotive Sector [Member] | Investment, Affiliated Issuer, Controlled [Member]
Investments, fair value	[1]	0
Purchase/merger	[1]	0		0
Interest	[1]	0		0
Sales/maturity/expiration	[1]	0		0
Realized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax	[1]	(100,000)		0
Unrealized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax	[1]	100,000		0
Investments, fair value	[1]	$ 0		$ 0
Investment, shares/par value (in shares)	[1]	0		750,000
Sales/maturity/expiration	[1]	$ (0)		$ (0)
Investments, fair value	[1]	0		0
Convertible Debt 34 [Member] | Wrightspeed Inc [Member] | Automotive Sector [Member] | Investment, Affiliated Issuer, Controlled 1 [Member]
Investments, fair value	[1]			0
Investments, fair value	[1]					0
Investments, fair value	[1]					0
Convertible Debt 10 [Member] | IntraOp Medical Corp. [Member] | Medical Devices Sector [Member] | Investment, Affiliated Issuer, Controlled [Member]
Investments, fair value	[1]	455
Purchase/merger	[1]	0		0
Interest	[1]	0		0
Sales/maturity/expiration	[1]	0		0
Realized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax	[1]	0		0
Unrealized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax	[1]	(428)		(1,122)
Investments, fair value	[1]	$ 27		$ 455
Investment, shares/par value (in shares)	[1]	500,000		500,000
Sales/maturity/expiration	[1]	$ (0)		$ (0)
Investments, fair value	[1]	27		455
Convertible Debt 10 [Member] | IntraOp Medical Corp. [Member] | Medical Devices Sector [Member] | Investment, Affiliated Issuer, Controlled 1 [Member]
Investments, fair value	[1]	455		1,577
Investments, fair value	[1]			455		1,577
Investments, fair value	[1]			455		1,577
Convertible Debt 10 [Member] | Wrightspeed Inc [Member] | Automotive Sector [Member] | Investment, Affiliated Issuer, Controlled [Member]
Investments, fair value	[1]	0
Purchase/merger	[1]	0		0
Interest	[1]	0		0
Sales/maturity/expiration	[1]	0		0
Realized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax	[1]	(250,000)		0
Unrealized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax	[1]	250,000		0
Investments, fair value	[1]	$ 0		$ 0
Investment, shares/par value (in shares)	[1]	0		1,000,000
Sales/maturity/expiration	[1]	$ 0		$ (0)
Investments, fair value	[1]	0		0
Convertible Debt 10 [Member] | Wrightspeed Inc [Member] | Automotive Sector [Member] | Investment, Affiliated Issuer, Controlled 1 [Member]
Investments, fair value	[1]			0
Investments, fair value	[1]					0
Investments, fair value	[1]					0
Series AA Preferred Stock [Member] | Wrightspeed Inc [Member] | Automotive Sector [Member] | Investment, Affiliated Issuer, Controlled [Member]
Investments, fair value	[1]	0
Purchase/merger	[1]	0
Interest	[1]	0
Sales/maturity/expiration	[1]	0
Realized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax	[1]	0
Unrealized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax	[1]	0
Investments, fair value	[1]	$ 0		0
Investment, shares/par value (in shares)	[1]	60,733,693
Sales/maturity/expiration	[1]	$ (0)
Investments, fair value	[1]	0		0
Convertible Debt 35 [Member] | Wrightspeed Inc [Member] | Automotive Sector [Member] | Investment, Affiliated Issuer, Controlled [Member]
Investments, fair value	[1]	0
Purchase/merger	[1]			0
Interest	[1]			0
Sales/maturity/expiration	[1]			0
Realized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax	[1]			0
Unrealized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax	[1]			0
Investments, fair value	[1]			$ 0
Investment, shares/par value (in shares)	[1]			4,929,015
Sales/maturity/expiration	[1]			$ (0)
Investments, fair value	[1]			0
Convertible Debt 35 [Member] | Wrightspeed Inc [Member] | Automotive Sector [Member] | Investment, Affiliated Issuer, Controlled 1 [Member]
Investments, fair value	[1]			0
Investments, fair value	[1]					0
Investments, fair value	[1]					0
Convertible Debt 36 [Member] | Wrightspeed Inc [Member] | Automotive Sector [Member] | Investment, Affiliated Issuer, Controlled [Member]
Investments, fair value	[1]	0
Purchase/merger	[1]			0
Interest	[1]			0
Sales/maturity/expiration	[1]			0
Realized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax	[1]			0
Unrealized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax	[1]			0
Investments, fair value	[1]			$ 0
Investment, shares/par value (in shares)	[1]			1,000,000
Sales/maturity/expiration	[1]			$ (0)
Investments, fair value	[1]			0
Convertible Debt 36 [Member] | Wrightspeed Inc [Member] | Automotive Sector [Member] | Investment, Affiliated Issuer, Controlled 1 [Member]
Investments, fair value	[1]			0
Investments, fair value	[1]					0
Investments, fair value	[1]					0
Convertible Debt 37 [Member] | Wrightspeed Inc [Member] | Automotive Sector [Member] | Investment, Affiliated Issuer, Controlled [Member]
Investments, fair value	[1]	$ 0
Purchase/merger	[1]			0
Interest	[1]			0
Sales/maturity/expiration	[1]			(40,000)
Realized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax	[1]			0
Unrealized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax	[1]			40,000
Investments, fair value	[1]			$ 0
Investment, shares/par value (in shares)	[1]			0
Sales/maturity/expiration	[1]			$ 40,000
Investments, fair value	[1]			0
Convertible Debt 37 [Member] | Wrightspeed Inc [Member] | Automotive Sector [Member] | Investment, Affiliated Issuer, Controlled 1 [Member]
Investments, fair value	[1]			$ 0
Investments, fair value	[1]					0
Investments, fair value	[1]					$ 0

[1] Controlled Investments.

[2] CDI:CHESS Depositary Interests

[3] CDI: CHESS Depositary Interests