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Income Taxes - Reconciliation Of Effective Rate (Details) - USD ($)	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Amount
U.S. Federal statutory tax rate	$ (6,777,357)	$ (15,443,013)	$ (10,531,306)
State and local income taxes, net of federal income tax effect	0	0	0
Effect of changes in tax laws or rates enacted in the current period	0	0	0
Effect of cross-border tax laws	0	0	265,769
Tax credits	(209,472)		(36,666)
Incentive stock options	280,906	700,490	595,925
Stock-based compensation (windfalls) shortfalls	(190,318)	103,096	109,839
Other	8,694	7,106	349,123
Changes in unrecognized tax benefits	0	0	0
Executive compensation limitation	(166,112)	1,048,277	1,730,628
Expirations, forfeitures and cancellations	693,946	113,056	21,098
Net Effective Tax Rate	$ 0	$ 0	$ 0
Tax Jurisdiction of Domicile [Extensible Enumeration]	U.S.	U.S.	U.S.
Effective income tax rate reconciliation, Percent
U.S. Federal statutory tax rate	21.00%	21.00%	21.00%
State and local income taxes, net of federal income tax effect	0.00%	0.00%	0.00%
Effect of changes in tax laws or rates enacted in the current period	0.00%	0.00%	0.00%
Effect of cross-border tax laws	0.00%	0.00%	(0.50%)
Tax credits	0.60%	0.00%	0.10%
Incentive stock options	(0.90%)	(1.00%)	(1.20%)
Stock-based compensation (windfalls) shortfalls	0.60%	(0.10%)	(0.20%)
Other	0.00%	0.00%	(0.70%)
Changes in unrecognized tax benefits	0.00%	0.00%	0.00%
Executive compensation limitation	0.50%	(1.40%)	(3.50%)
Expirations, forfeitures and cancellations	(2.20%)	(0.20%)	0.00%
Net Effective Tax Rate	0.00%	0.00%	0.00%
U.S.
Amount
Change in valuation allowance	$ 6,002,161	$ 13,257,284	$ 7,207,958
Other	$ 195,522	$ 72,180	$ 53,793
Effective income tax rate reconciliation, Percent
Changes in valuation allowance	(18.60%)	(18.00%)	(14.40%)
Other	(0.50%)	(0.10%)	(0.10%)
Germany
Amount
Foreign tax effects	$ 17,506	$ (17,414)	$ 241,597
Effective income tax rate reconciliation, Percent
Foreign tax effects	(0.10%)	0.00%	(0.50%)
Japan
Amount
NOL expiration			$ 1,053,211
Change in valuation allowance	$ 234,992	$ 175,589	(676,708)
Other	$ (90,469)	$ (16,651)	$ (384,262)
Effective income tax rate reconciliation, Percent
NOL expiration	0.00%		(2.10%)
Changes in valuation allowance	(0.70%)	(0.20%)	1.30%
Other	0.30%	0.00%	0.80%

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- Definition

Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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