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Income Taxes, Components of Deferred Income Taxes (Details) - USD ($) | Mar. 31, 2024 | Mar. 31, 2023
--- | --- | ---
Assets [Abstract] |  |
Allowance for bad debts | $ 44,000 | $ 78,000
Customer allowances earned | 4,706,000 | 4,760,000
Allowance for stock adjustment returns | 3,620,000 | 2,391,000
Inventory adjustments | 7,419,000 | 7,817,000
Intangibles, net | 852,000 | 809,000
Stock options | 2,723,000 | 2,770,000
Operating lease liabilities | 21,251,000 | 23,408,000
Estimate for returns | 29,942,000 | 26,670,000
Accrued compensation | 2,600,000 | 2,718,000
Net operating losses | 4,670,000 | 5,351,000
Tax credits | 2,054,000 | 2,012,000
Capitalized research credits | 1,158,000 | 0
Plant and equipment, net | 1,010,000 | 0
Other | 6,588,000 | 5,046,000
Total deferred tax assets | 88,637,000 | 83,830,000
Liabilities [Abstract] |  |
Plant and equipment, net | 0 | (79,000)
Contract assets | (10,265,000) | (12,357,000)
Operating lease assets | (23,845,000) | (25,004,000)
Other | (6,663,000) | (6,864,000)
Total deferred tax liabilities | (40,773,000) | (44,304,000)
Less valuation allowance | (45,399,000) | (7,619,000)
Total | $ 2,465,000 | $ 31,907,000

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