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Note A - Basis of Presentation and Significant Accounting Policies (Tables) | 12 Months Ended
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Jun. 30, 2019
Accounting Standards Update 2017-07 [Member] |
Notes Tables |
Schedule of New Accounting Pronouncements and Changes in Accounting Principles [Table Text Block] |
|  | For the Year Ended |
|  | June 30, 2018 |  |  | Adoption |  |  | June 30, 2018 |
|  | As Reported |  |  | Impact |  |  | Restated |
Cost of goods sold |  | $ | 160,497 |  |  | $ | (405 | ) |  | $ | 160,092 |
Gross profit |  |  | 80,236 |  |  |  | 405 |  |  |  | 80,641 |
Marketing, engineering and administrative expenses |  |  | 61,909 |  |  |  | (814 | ) |  |  | 61,095 |
Income from operations |  |  | 14,929 |  |  |  | 1,219 |  |  |  | 16,148 |
Other income (expense), net |  |  | (282 | ) |  |  | (1,219 | ) |  |  | (1,501 | )
Accounting Standards Update 2016-02 [Member] |
Notes Tables |
Schedule of New Accounting Pronouncements and Changes in Accounting Principles [Table Text Block] |
|  | June 30, 2018 |  |  | Adoption |  |  | June 30, 2018 |
|  | As Reported |  |  | Impact |  |  | Restated |
Property, plant and equipment, net |  | $ | 48,940 |  |  | $ | 6,527 |  |  | $ | 55,467 |
Lease obligations |  |  | - |  |  |  | 6,527 |  |  |  | 6,527 |

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