CONSOLIDATED BALANCE SHEETS - USD ($)	Dec. 31, 2020	Dec. 31, 2019
CURRENT ASSETS
Cash	$ 904,000	$ 380,000
Accounts receivable - net	7,468,000	9,313,000
Inventories	18,362,000	22,882,000
Prepaid expenses and other current assets	2,806,000	1,497,000
TOTAL CURRENT ASSETS	29,540,000	34,072,000
PROPERTY AND EQUIPMENT
Land	507,000	507,000
Buildings and improvements	3,544,000	3,303,000
Machinery and equipment	25,673,000	25,059,000
Property, Plant and Equipment, Gross	29,724,000	28,869,000
Less accumulated depreciation and amortization	20,329,000	18,760,000
NET PROPERTY AND EQUIPMENT	9,395,000	10,109,000
GOODWILL	4,449,000	4,726,000
OTHER INTANGIBLE ASSETS - net	6,226,000	8,259,000
DEFERRED INCOME TAXES - net	226,000	216,000
RIGHT-OF-USE ASSETS - OPERATING LEASES	3,281,000	3,859,000
OTHER ASSETS - net	250,000	502,000
TOTAL ASSETS	53,367,000	61,743,000
CURRENT LIABILITIES
Short-term borrowings	1,374,000	5,648,000
Accounts payable	2,199,000	1,843,000
Accrued compensation and benefits	525,000	2,019,000
Accrued other liabilities	1,354,000	1,568,000
Current leased liabilities - operating leases	847,000	879,000
Current maturities of long-term debt (PPP loan)	1,983,000	0
TOTAL CURRENT LIABILITIES	8,282,000	11,957,000
Non-current leased liabilities - operating leases	2,474,000	3,070,000
Long-term debt, less current maturities (PPP loan)	946,000	0
Other liabilities	127,000	210,000
TOTAL LIABILITIES	11,829,000	15,237,000
COMMITMENTS AND CONTINGENCIES
SHAREHOLDERS' EQUITY
Preferred stock - $10 par; authorized - 2,000,000 shares; no shares issued	0	0
Additional paid-in capital	14,144,000	14,056,000
Retained earnings	33,756,000	38,867,000
Treasury stock, at cost - 1,273,000 shares at December 31, 2020, and December 31, 2019	(10,213,000)	(10,213,000)
Accumulated other comprehensive loss	(577,000)	(620,000)
TOTAL SHAREHOLDERS' EQUITY	41,538,000	46,506,000
TOTAL LIABILITIES AND SHAREHOLDERS' EQUITY	53,367,000	61,743,000
Common Class A [Member]
SHAREHOLDERS' EQUITY
Common stock	4,428,000	4,416,000
TOTAL SHAREHOLDERS' EQUITY	4,428,000	4,416,000
Common Class B [Member]
SHAREHOLDERS' EQUITY
Common stock	$ 0	$ 0