CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Cash flows related to operating activities:
Net Income	$ 2,109,000	$ 3,498,000
Adjustments to reconcile net income to net cash (used) generated by operating activities:
Depreciation and amortization	1,268,000	1,025,000
Loss on disposal of property	137,000	1,000
Stock based compensation	316,000	276,000
Increase in allowance for doubtful accounts	167,000	21,000
(Decrease)/Increase in inventory reserve	(106,000)	105,000
(Decrease)/Increase in warranty reserve	(8,000)	389,000
Deferred income tax	188,000	114,000
Change in assets and liabilities:
Accounts receivable	(2,764,000)	(2,183,000)
Inventories	(4,895,000)	(2,464,000)
Prepaid income taxes	(102,000)	(314,000)
Other current assets	(26,000)	(247,000)
Other non-current assets	49,000
Accounts payable	1,964,000	1,117,000
Accrued employee compensation and benefit costs	375,000	124,000
Other accrued liabilities	177,000	(399,000)
Accrued income taxes		(414,000)
Post retirement obligation	430,000	83,000
Employee stock ownership trust payment	101,000	101,000
Net cash (used) generated by operating activities	(620,000)	833,000
Cash flows related to investing activities:
Capital expenditures - property, plant and equipment	(2,271,000)	(1,866,000)
Net cash used by investing activities	(2,271,000)	(1,866,000)
Cash flows related to financing activities:
Principal payments on long-term debt	(548,000)	(548,000)
Principal payments on equipment financing lease obligations	(285,000)	(160,000)
Proceeds from equipment note and equipment financing lease	721,000	210,000
Proceeds from the line of credit	3,000,000
Purchase of treasury shares	(157,000)	(175,000)
Cash dividend	(409,000)	(403,000)
Net cash provided (used) by financing activities	2,322,000	(1,076,000)
Net decrease in cash	(569,000)	(2,109,000)
Cash at beginning of year	2,598,000	4,707,000
Cash at end of year	2,029,000	$ 2,598,000
Supplemental Cash Flow Information:
Equipment acquired through financing paid directly to vendor	$ 333,000