Note O - Supplemental Cash Flow Information	9 Months Ended
Dec. 31, 2022
Notes to Financial Statements
Cash Flow, Supplemental Disclosures [Text Block]	NOTE O — SUPPLEMENTAL CASH FLOW INFORMATION The Company paid interest of approximately $1,316,000 during the nine months ended December 31, 2022 and $154,000 during the nine months ended December 31, 2021. The Company paid income taxes of approximately $428,000 during the nine months ended December 31, 2022 and paid income taxes of approximately $7,487,000, net of a tax refund of approximately $423,000, during the nine months ended December 31, 2021. At December 31, 2022, the “Machinery and equipment” balance on the Consolidated Balance Sheet includes non-cash investing activities of approximately $7,448,000 in accrued capital expenditures for the balance due related to the new Sinton, Texas facility. During the nine months ended December 31, 2022, the Company issued 516,041 shares of common stock as part of the Plateplus business combination resulting in non-cash investing activity of $4,783,700. During the three months ended December 31, 2022, there was a non-cash transaction of approximately $31,000 for the transfer of ownership of a life insurance policy maintained by the Company with respect to an officer from the Company to such officer upon his retirement.

Note O - Supplemental Cash Flow Information

9 Months Ended

Dec. 31, 2022

Cash Flow, Supplemental Disclosures [Text Block]

NOTE O — SUPPLEMENTAL CASH FLOW INFORMATION

The Company paid interest of approximately $1,316,000 during the nine months ended December 31, 2022 and $154,000 during the nine months ended December 31, 2021. The Company paid income taxes of approximately $428,000 during the nine months ended December 31, 2022 and paid income taxes of approximately $7,487,000, net of a tax refund of approximately $423,000, during the nine months ended December 31, 2021. At December 31, 2022, the “Machinery and equipment” balance on the Consolidated Balance Sheet includes non-cash investing activities of approximately $7,448,000 in accrued capital expenditures for the balance due related to the new Sinton, Texas facility. During the nine months ended December 31, 2022, the Company issued 516,041 shares of common stock as part of the Plateplus business combination resulting in non-cash investing activity of $4,783,700. During the three months ended December 31, 2022, there was a non-cash transaction of approximately $31,000 for the transfer of ownership of a life insurance policy maintained by the Company with respect to an officer from the Company to such officer upon his retirement.