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Note F - Income Taxes (Details) - Net Deferred Tax Assets and Deferred Tax Liabilities (USD $) | Jun. 30, 2014 | Jun. 30, 2013
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Deferred tax assets: |  |
Allowance for doubtful accounts | $ 28,000 | $ 49,000
Accrued vacation expense | 101,000 | 108,000
Tax credit carry forward | 51,000 | 4,000
Allowance for inventories | 234,000 | 136,000
Stock-based compensation | 157,000 | 126,000
Pension liability | 238,000 | 279,000
Other, net | 106,000 | 150,000
Deferred rent | 13,000 | 89,000
Accumulated depreciation and amortization | 911,000 | 846,000
Net operating loss carry forward | 458,000 | 525,000
Total gross deferred tax assets | 2,297,000 | 2,312,000
Deferred tax liabilities: |  |
Prepaid expenses | (157,000) | (151,000)
Other | (10,000) | (25,000)
Deferred tax liabilities | (167,000) | (176,000)
Valuation allowance | (193,000) |
Net deferred tax assets | $ 1,937,000 | $ 2,136,000

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