Note 2 - Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2022

Notes Tables

Disaggregation of Revenue [Table Text Block]

	December 31,
	2022		2021
Earned over time	$	50,236,873	$	39,786,609
Point in time		77,518,054		64,375,618
Total revenue	$	127,754,927	$	104,162,227

Property, Plant and Equipment Estimated Useful Lives [Table Text Block]

Class	Method	Estimated Useful Lives (years)
Buildings and Improvements	Straight-line	10	to	40
Machinery and Equipment	Straight-line	3	to	20