Revision of first and second quarter 2024 unaudited results (Details) - USD ($)	3 Months Ended				6 Months Ended	9 Months Ended
	Sep. 30, 2024	Jun. 30, 2024	Mar. 31, 2024	Sep. 30, 2023	Jun. 30, 2024	Sep. 30, 2024	Sep. 30, 2023	Dec. 31, 2023
Cost of goods sold	$ 5,188,000			$ 0		$ 24,490,000	$ 0
Loss from continuing operations before income taxes	(2,194,000)			(1,522,000)		(4,825,000)	(2,658,000)
Net loss from continuing operations	(1,458,000)			(1,511,000)		(3,541,000)	(2,654,000)
Net (loss) income including noncontrolling interest	(1,392,000)			1,126,000		(3,339,000)	2,738,000
Net (loss) income attributable to Lendway, Inc.	(1,125,000)			1,126,000		(2,803,000)	2,738,000
Revenue	6,628,000			0		31,581,000	0
Accounts receivable, net	2,337,000					2,337,000		$ 0
Inventories, net	15,490,000					15,490,000		0
Accrued expenses and other current liabilities	1,640,000					1,640,000		168,000
Comprehensive (loss) income attributable to Lendway, Inc.	(1,124,000)			1,126,000		(2,765,000)	2,738,000
Comprehensive (loss) income including noncontrolling interest	(1,124,000)			$ 1,126,000		(2,756,000)	$ 2,738,000
Inventories, net	(15,490,000)					(15,490,000)		0
Accrued expenses and other current liabilities	$ (1,640,000)					$ (1,640,000)		$ (168,000)
As Previously Reported
Cost of goods sold		$ 12,803,000	$ 6,139,000		$ 18,942,000
Loss from continuing operations before income taxes		(1,082,000)	(1,683,000)		(2,765,000)
Net loss from continuing operations		(881,000)	(1,336,000)		(2,217,000)
Net (loss) income including noncontrolling interest		(817,000)	(1,264,000)		(2,081,000)
Net (loss) income attributable to Lendway, Inc.		(745,000)	(1,041,000)		(1,786,000)
Net (loss) income attributable to noncontrolling interest		(72,000)	(223,000)		(295,000)
Comprehensive (loss) income attributable to Lendway, Inc.		$ (710,000)	$ (1,038,000)		$ (1,749,000)
Net (loss) income per basic and diluted share attributable to Lendway, Inc.		$ (0.42)	$ (0.73)		$ (1.01)
Note receivable		$ 250,000	$ 700,000		$ 250,000
Revenue		16,780,000			24,813,000
Selling, general and administrative expenses		4,095,000			7,483,000
Comprehensive (loss) income including noncontrolling interest		(702,000)			(1,740,000)
Accounts receivable, net		3,306,000			3,306,000
Inventories, net		6,973,000			6,973,000
Accrued expenses and other current liabilities		2,092,000			2,092,000
Note receivable		(250,000)	(700,000)		(250,000)
Inventories, net		(6,973,000)			(6,973,000)
Accrued expenses and other current liabilities		(2,092,000)			(2,092,000)
Adjustment
Cost of goods sold		211,000	150,000		361,000
Loss from continuing operations before income taxes		(283,000)	150,000		(133,000)
Net loss from continuing operations		(283,000)	150,000		(133,000)
Net (loss) income attributable to Lendway, Inc.		(230,000)	122,000		(108,000)
Net (loss) income attributable to noncontrolling interest		$ (283,000)	$ 150,000		$ (133,000)
Net (loss) income per basic and diluted share attributable to Lendway, Inc.		$ (0.13)	$ 0.07		$ (0.06)
Note receivable		$ 150,000	$ 150,000		$ 150,000
Revenue		140,000			140,000
Selling, general and administrative expenses		(354,000)			354,000
Accounts receivable, net		140,000			140,000
Inventories, net		211,000			211,000
Accrued expenses and other current liabilities		354,000			354,000
Note receivable		(150,000)	(150,000)		(150,000)
Net (loss) income attributable to noncontrolling interest		(53,000)	28,000		(25,000)
Comprehensive (loss) income attributable to Lendway, Inc.		(230,000)	122,000		(108,000)
Comprehensive (loss) income including noncontrolling interest		(283,000)			(133,000)
Inventories, net		(211,000)			(211,000)
Accrued expenses and other current liabilities		(354,000)			(354,000)
As Revised
Cost of goods sold		13,014,000	6,289,000		19,303,000
Loss from continuing operations before income taxes		(799,000)	(1,833,000)		(2,632,000)
Net loss from continuing operations		(598,000)	(1,486,000)		(2,084,000)
Net (loss) income including noncontrolling interest		(534,000)	(1,414,000)		(1,948,000)
Net (loss) income attributable to Lendway, Inc.		(515,000)	(1,163,000)		(1,678,000)
Comprehensive (loss) income attributable to Lendway, Inc.		$ (480,000)	$ (1,160,000)		$ (1,641,000)
Net (loss) income per basic and diluted share attributable to Lendway, Inc.		$ (0.29)	$ (0.80)		$ (0.95)
Note receivable		$ 100,000	$ 550,000		$ 100,000
Revenue		16,920,000			24,953,000
Selling, general and administrative expenses		3,741,000			7,129,000
Accounts receivable, net		3,446,000			3,446,000
Inventories, net		6,762,000			6,762,000
Accrued expenses and other current liabilities		1,738,000			1,738,000
Note receivable		(100,000)	(550,000)		(100,000)
Comprehensive (loss) income including noncontrolling interest		(419,000)			(1,607,000)
Net (loss) income attributable to noncontrolling interest			$ (251,000)		(270,000)
Inventories, net		(6,762,000)			(6,762,000)
Accrued expenses and other current liabilities		$ (1,738,000)			$ (1,738,000)