SHAREHOLDERS' EQUITY (Details Textual) - USD ($)		12 Months Ended
	Jan. 04, 2017	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017	Jun. 30, 2010	Dec. 31, 2001
Class of Stock [Line Items]
Outstanding (in shares)		450,000	613,000	615,000
Unrecognized compensation cost		$ 434,000
Allocated Share-based Compensation Expense	$ 108,000	$ 141,000	$ 109,000	$ 144,000
Grant date weighted-average fair value, granted (in dollars per share)		$ 1.54	$ 1.45	$ 1.50
Options exercised in period (in shares)		16,000	0	4,000
Proceeds from stock options exercised		$ 42,000	$ 0	$ 6,000
Number of shares authorized to be repurchased (in shares)						1,000,000
Remaining number of shares authorized to be repurchased (in shares)		72,000
Restricted Stock
Class of Stock [Line Items]
Shares vested in period (in shares)		309,000
Performance Share Award Agreement
Class of Stock [Line Items]
Amount of nonvested options (in shares)		129,000
Share-based Compensation Award, Tranche One
Class of Stock [Line Items]
Options exercised in period (in shares)		16,000		2,000
Non Vested Shares
Class of Stock [Line Items]
Period for recognition		2 years
Unrecognized compensation cost related to non-vested shares			$ 24,000
Employee
Class of Stock [Line Items]
Shares issued for services (in shares)		10,000
Incentive Compensation Plan
Class of Stock [Line Items]
Shares reserved for future issuance (in shares)					1,630,000
Remaining shares available for grant (in shares)		411,000
Provision for reduction of reserved shares (in shares)					1.59
Shares purchased for award (in shares)		2,000
Number of shares available for grant (in shares)		312,000
Outstanding (in shares)		83,000
Award vesting period		5 years
Employee benefits and share-based compensation		$ 10,000
Offsetting tax benefit		2,000
Unrecognized compensation cost		$ 5,000
Period for recognition		6 months
Restricted stock units (in shares)		4,000	4,000	4,000
Fair value of options vested in period		$ 11,000	$ 11,000	$ 15,000
Incentive Compensation Plan | Restricted Stock
Class of Stock [Line Items]
Options granted in period (in shares)	161,766
Incentive Compensation Plan | Non Employee Directors
Class of Stock [Line Items]
Number of shares available for grant (in shares)		500
Incentive Compensation Plan | Non Employee Directors and Corporate Secretary
Class of Stock [Line Items]
Number of shares available for grant (in shares)		41,000
Retainer Fees
Class of Stock [Line Items]
Employee benefits and share-based compensation		$ 80,000
Retainer Fees | Incentive Compensation Plan | Non Employee Directors
Class of Stock [Line Items]
Number of shares available for grant (in shares)		261,000