Condensed Consolidated Balance Sheets - USD ($)	Mar. 31, 2024	Jun. 30, 2023
Current assets:
Cash and cash equivalents	$ 7,527,000	$ 10,454,000
Accounts receivable (less allowance for credit losses of $515 and $449, respectively)	35,873,000	36,611,000
Inventories	58,518,000	65,414,000
Prepaid expenses and other current assets	10,192,000	9,723,000
Total current assets	112,110,000	122,202,000
Property, plant and equipment, net	45,252,000	39,375,000
Right of use assets	3,978,000	4,931,000
Deferred tax assets, net	15,953,000	17,056,000
Intangible assets, net	4,896,000	4,672,000
Goodwill	1,015,000	1,015,000
Other assets	3,425,000	3,551,000
Total assets	186,629,000	192,802,000
Current liabilities:
Accounts payable	14,750,000	15,047,000
Accrued expenses	11,901,000	11,579,000
Current maturities of debt	2,326,000	4,961,000
Accrued compensation	5,337,000	6,287,000
Current lease liability	1,547,000	1,689,000
Total current liabilities	35,861,000	39,563,000
Other tax obligations	2,779,000	2,884,000
Long-term lease liability	2,585,000	3,423,000
Long-term debt, net of current portion	5,768,000	5,273,000
Postretirement benefit and pension obligations	9,532,000	12,192,000
Total liabilities	56,525,000	63,335,000
Contingencies (Note 12)
Stockholders' equity:
Additional paid-in capital	58,241,000	57,825,000
Retained earnings	114,310,000	112,147,000
Accumulated other comprehensive loss	(49,951,000)	(47,935,000)
Total stockholders' equity	130,104,000	129,467,000
Total liabilities and stockholders’ equity	186,629,000	192,802,000
Class A Common Shares
Stockholders' equity:
Common stock	6,968,000	6,854,000
Class B Common Shares
Stockholders' equity:
Common stock	$ 536,000	$ 576,000