STOCK COMPENSATION PLANS (Details)		3 Months Ended
	May 03, 2022 $ / shares shares	Mar. 31, 2023 USD ($) Director $ / shares shares	Mar. 31, 2022 USD ($)
Stock Compensation Plans [Abstract]
Compensation expense | $		$ 56,000	$ 49,000
Number of directors in committee | Director		3
Stock Options [Member] | 2015 Equity Compensation Plan [Member]
Stock Compensation Plans [Abstract]
Unvested shares outstanding (in shares)		0
Unrecognized expense related to non-vested option shares | $		$ 0
Restricted Stock [Member]
Stock Compensation Plans [Abstract]
Compensation expense | $		56,000	$ 49,000
Restricted Stock [Member] | 2015 Equity Compensation Plan [Member]
Stock Compensation Plans [Abstract]
Unrecognized expense related to non-vested option shares | $		$ 20,000
Period over which unvested options cost will recognized		1 month 2 days
Class A Stock [Member] | Stock Options [Member]
Shares [Roll Forward]
Outstanding at beginning of period (in shares)		6,750
Granted (in shares)		0
Exercised/vested and released (in shares)		0
Expired/cancelled (in shares)		0
Outstanding at end of period (in shares)		6,750
Exercisable/vested at end of period (in shares)		6,750
Weighted Average Exercise Price [Abstract]
Outstanding at beginning of period (in dollars per shares) | $ / shares		$ 21.86
Granted, weighted average exercise price (in dollars per share) | $ / shares		0
Exercised/vested and released, weighted average exercise price (in dollars per shares) | $ / shares		0
Expired/cancelled, weighted average exercise price (in dollars per share) | $ / shares		0
Outstanding at end of period (in dollars per shares) | $ / shares		21.86
Options exercisable at period end (in dollars per shares) | $ / shares		$ 21.86
Shares of Class A Non-Voting Common Stock under option [Abstract]
Outstanding at end of period, weighted average remaining life		1 year 1 month 7 days
Exercisable/vested at end of period, weighted average remaining life		1 year 1 month 7 days
Outstanding at beginning of period, aggregate intrinsic value | $		$ 248,000
Granted, aggregate intrinsic value | $		0
Exercised/vested and released, aggregate intrinsic value | $		0
Expired/cancelled, aggregate intrinsic value | $		0
Outstanding at end of period, aggregate intrinsic value | $		226,000
Exercisable/vested at end of period, aggregate intrinsic value | $		$ 226,000
Class A Stock [Member] | Restricted Stock [Member]
Stock Compensation Plans [Abstract]
Fair value per share (in dollars per share) | $ / shares	$ 45.58
Shares [Roll Forward]
Granted (in shares)	5,000
Shares [Roll Forward]
Outstanding at beginning of period (in shares)		5,000
Granted (in shares)		0
Exercised/vested and released (in shares)		0
Cancelled (in shares)		0
Outstanding at end of period (in shares)		5,000
Weighted Average Grant Date Fair Value [Abstract]
Outstanding at beginning of period (in dollars per shares) | $ / shares		$ 45.58
Granted (in dollars per share) | $ / shares		0
Exercised/vested and released (in dollars per shares) | $ / shares		0
Expired/cancelled (in dollars per share) | $ / shares		0
Outstanding at end of period (in dollars per shares) | $ / shares		$ 45.58