2 - Balance Sheet Details

12 Months Ended

Dec. 31, 2021

Notes

2 - Balance Sheet Details

2 - Balance Sheet Details

	December 31, 2021	December 31, 2020
Inventories:
Raw materials	$ 4,645,923	$ 2,245,709
Work in process	2,181,457	1,410,868
Finished goods	2,304,400	2,096,717
	9,131,780	5,753,294
Valuation reserves	(612,000)	(600,000)
	$ 8,519,780	$ 5,153,294

	December 31, 2021	December 31, 2020
Property, Plant and Equipment, net:
Land and improvements	$ 1,778,819	$ 1,636,749
Buildings and improvements	8,456,983	8,534,317
Machinery and equipment	35,618,735	35,194,944
Capitalized software and other	1,060,379	1,045,027
	46,914,916	46,411,037
Accumulated depreciation	(34,441,052)	(33,260,153)
	$ 12,473,864	$ 13,150,884

	December 31, 2021	December 31, 2020
Other Accrued Expenses:
Profit sharing plan contribution	$ 145,000	$ 120,000
Property taxes	80,269	84,570
All other items	141,149	118,398
	$ 366,418	$ 322,968

	December 31, 2021	December 31, 2020
Allowance for Doubtful Accounts:
Balance at beginning of year	$ 170,000	$ 140,000
Charges to statement of income	0	35,774
Write-offs	0	(5,774)
Balance at end of year	$ 170,000	$ 170,000

	December 31, 2021	December 31, 2020
Inventory Valuation Reserves:
Balance at beginning of year	$   600,000	$   457,000
Charges to statement of income	41,308	155,058
Write-offs	(29,308)	(12,058)
Balance at end of year	$   612,000	$   600,000