INCENTIVE PLANS (Details) (USD $)	12 Months Ended											12 Months Ended	0 Months Ended	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2012 Stock Options	Dec. 31, 2011 Stock Options	Dec. 31, 2012 Stock Options Minimum	Dec. 31, 2012 Stock Options Maximum	Dec. 31, 2012 Plan	Dec. 31, 1993 Plan	May 03, 2005 2003 Plan Stock Options	Dec. 31, 2012 2005 Plan Stock Options	May 03, 2005 2005 Plan Stock Options	Dec. 31, 2012 2005 Plan Stock Options Minimum	Feb. 13, 2013 2010 Plan Equity Appreciation Rights Plan	Dec. 31, 2012 2010 Plan Equity Appreciation Rights Plan	Dec. 31, 2011 2010 Plan Equity Appreciation Rights Plan	Dec. 31, 2010 2010 Plan Equity Appreciation Rights Plan	Dec. 31, 2012 2010 Plan Equity Appreciation Rights Plan Maximum	Nov. 30, 2010 2010 Plan Equity Appreciation Rights Plan Maximum
Incentive plans
Number of common shares authorized								50,000										750,000
Purchase price as a percentage of market value							90.00%					100.00%
Common shares issued							22,118
Number of shares eliminated									172,500
Shares available for grant										34,250	200,000
Exercisable period					1 year
Expiration term						10 years
Compensation expense	$ 0	$ 27,000	$ 0	$ 27,044										$ 39,000	$ 57,000
Options
Balance at the beginning of the period			623,600
Cancelled (in shares)			(319,600)
Forfeited			(15,250)
Balance at the end of the period			288,750	623,600
Exercisable at the end of the period			288,750
Weighted-Average Exercise Price Per Share
Balance at the beginning of the period			$ 7.21
Cancelled (in dollars per share)			$ 7.43
Forfeited			$ 7.64
Balance at the end of the period			$ 7.19	$ 7.21
Exercisable at the end of the period			$ 7.19
Weighted-Average Remaining Contractual Term
Balance at the end of the period			2 years 6 months
Exercisable at the end of the period			2 years 6 months
Aggregate Intrinsic Value
Weighted average fair value of options vested			$ 0.00	$ 2.64
Equity Appreciation Rights Plan
Shares issued (in units)																100,000
Shares granted (in units)													350,000	250,000
Vesting period from the grant date														3 years
Redemption cash payment period																	90 days
Remaining weighted average life														1 year
Accrued compensation														101,000	62,000
Accrued compensation included in other accrued liabilities														86,000
Accrued compensation included in Other Long-Term Liabilities														$ 15,000