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Note 14 - Income Taxes - Income Tax Rate Reconciliation (Details)	12 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Statutory federal income tax rate	(21.00%)	(21.00%)
State income taxes, net of federal benefit	(35.00%)	(7.00%)
Foreign income tax rate differential	(2.00%)	(2.00%)
Stock options	(54.00%)	0.00%
Research and development tax credit	0.00%	(4.00%)
Mark to market adjustment on contingent consideration	59.00%	(10.00%)
Nondeductible expenses	12.00%	0.00%
True-up of NOLs	10.00%	(58.00%)
Withholding Tax	16.00%	0.00%
162(m)	43.00%	0.00%
Other	4.00%	(4.00%)
Valuation allowance	(231.00%)	60.00%
Effective income tax rate	155.00%	3.00%

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