INCENTIVE PLANS (Details) (USD $)	12 Months Ended		0 Months Ended		12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Jan. 02, 2014	Feb. 13, 2013	Dec. 31, 2010	Dec. 31, 1993	May 03, 2005	Dec. 31, 2011	Nov. 30, 2010
Stock Options
Variables used for the grants
Expected volatility, minimum		49.67%
Expected volatility, maximum		53.06%
Expected dividends		0.00%
Risk-free rate, minimum		1.43%
Risk-free rate, maximum		1.50%
Compensation expense	$ 29,927	$ 12,841
Unrecognized compensation related to unvested awards	17,000
Weighted-average period over which unrecognized compensation costs expected to be recognized	1 year 1 month 13 days
Options
Balance at the beginning of the period(in shares)	216,000
Granted (in shares)	0
Cancelled	(35,000)
Balance at the end of the period (in shares)	181,000	216,000
Exercisable at the end of the period (in shares)	163,168
Weighted-Average Exercise Price Per Share
Outstanding at the beginning of the period (in dollars per share)	$ 6.46
Expired or forfeited (in dollars per share)	$ 6.99
Outstanding at the end of the period (in dollars per share)	$ 6.36	$ 6.46
Exercisable at the end of the period (in dollars per share)	$ 6.70
Weighted-Average Remaining Contractual Term
Outstanding at the end of the period	2 years 11 months 1 day
Exercisable at the end of the period	2 years 4 months 6 days
Aggregate Intrinsic Value
Outstanding at the end of the period	75,250
Exercisable at the end of the period	31,027
Additional disclosures
Awards exercised (in shares)	0	0
Weighted-average fair value of options granted (in dollars per share)	$ 1.84
Stock Options | Minimum
Incentive plans
Exercisable period	1 year
Variables used for the grants
Expected term (in years)		5 years 6 months
Stock Options | Maximum
Incentive plans
Expiration term	10 years
Variables used for the grants
Expected term (in years)		7 years
Plan
Incentive plans
Number of common shares authorized						50,000
Purchase price as a percentage of market value	90.00%
Common shares issued	22,118	0
2003 Plan | Stock Options
Incentive plans
Number of shares eliminated							172,500
2005 Plan | Stock Options
Incentive plans
Shares available for grant	19,000						200,000
2005 Plan | Stock Options | Minimum
Incentive plans
Purchase price as a percentage of market value	100.00%
2010 Plan | Equity Appreciation Rights Plan
Variables used for the grants
Compensation expense	178,000	67,000
Equity Appreciation Rights Plan
Vesting period from the base date	3 years
Shares issued (in units)					100,000
Shares granted (in units)	250,000		50,000	350,000
Units available for grant	0
Accrued compensation included in other accrued liabilities	47,000	29,000
Accrued compensation included in Other Long-term Liabilities	212,000	52,000
Accrued compensation liability
Beginning Balance	81,000							101,000
Additions	178,000	67,000
Payments		(87,000)
Ending Balance	259,000	81,000						101,000
Accrued compensation liability
Compensation liability included in other accrued liabilities	47,000	29,000
Accrued compensation included in Other Long-term Liabilities	$ 212,000	$ 52,000
2010 Plan | Equity Appreciation Rights Plan | Maximum
Incentive plans
Number of common shares authorized									750,000
Equity Appreciation Rights Plan
Redemption cash payment period	90 days