STOCK COMPENSATION PLANS (Details) (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Options Weighted Average Option Exercise Price at [Abstract]
Thereafter (in dollars per share)	$ 5.17
Decrease in income from continuing operations due to change in accounting pronouncement	$ 265,900	$ 240,000
Decrease in net income due to change in accounting pronouncement	$ 165,700	$ 150,000
Net income (loss) per share after change in accounting pronouncement, basic (in dollars per share)	$ 0.55	$ (0.03)
Net income (loss) per share after change in accounting pronouncement, diluted (in dollars per share)	$ 0.55	$ (0.03)
Net income (loss) per share - basic (in dollars per share)	$ 0.53	$ (0.05)	$ (1.01)
Net income (loss) per share - diluted (in dollars per share)	$ 0.53	$ (0.05)	$ (1.01)
Weighted average fair value of options granted (in dollars per share)	$ 1.45
Fair value of options granted is estimated on date of grant used assumptions [Abstract]
Dividend yield (in hundredths)
Expected volatility (in hundredths)	39.79%
Risk-free interest rate (in hundredths)	0.28%
Expected life	4 years 5 months 12 days
Minimum [Member]
Options Weighted Average Option Exercise Price at [Abstract]
Weighted average fair value of options granted (in dollars per share)		$ 0.72	$ 1.54
Fair value of options granted is estimated on date of grant used assumptions [Abstract]
Dividend yield (in hundredths)			1.78%
Expected volatility (in hundredths)		35.21%	73.13%
Risk-free interest rate (in hundredths)		0.20%	0.99%
Expected life		4 years 3 months 14 days	3 years 22 days
Maximum [Member]
Options Weighted Average Option Exercise Price at [Abstract]
Weighted average fair value of options granted (in dollars per share)		$ 0.78	$ 1.81
Fair value of options granted is estimated on date of grant used assumptions [Abstract]
Dividend yield (in hundredths)			5.80%
Expected volatility (in hundredths)		39.08%	82.36%
Risk-free interest rate (in hundredths)		0.25%	1.33%
Expected life		4 years 4 months 6 days	3 years 9 months 11 days
1998 Stock Option Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares authorized to grant options to purchase (in shares)	900,000
Stock Option Plans, Shares Outstanding [Abstract]
Outstanding (in shares)	89,750	89,750	124,599
Granted (in shares)	0	0	0
Exercised (in shares)	0	0	0
Cancelled (in shares)	(11,250)	0	(34,849)
Outstanding (in shares)	78,500	89,750	89,750
Stock Options, Weighted Average Option Exercise Price [Abstract]
Outstanding (in dollars per share)	$ 12.83	$ 12.83	$ 15.88
Granted (in dollars per share)	$ 0	$ 0	$ 0
Exercised (in dollars per share)	$ 0	$ 0	$ 0
Cancelled (in dollars per share)	$ 13.54	$ 0	$ 23.74
Outstanding (in dollars per share)	$ 12.73	$ 12.83	$ 12.83
Options Exercisable at [Abstract]
December 31, 2012 (in shares)	77,800
December 31, 2013 (in shares)	700
December 31, 2014 (in shares)	0
December 31, 2015 (in shares)	0
December 31, 2016 (in shares)	0
Thereafter (in shares)	0
Total options exercisable (in shares)	78,500
Options Weighted Average Option Exercise Price at [Abstract]
December 31, 2012 (in dollars per share)	$ 12.73
December 31, 2013 (in dollars per share)	$ 12.73
December 31, 2014 (in dollars per share)	$ 12.73
December 31, 2015 (in dollars per share)	$ 12.73
December 31, 2016 (in dollars per share)	$ 12.73
Thereafter (in dollars per share)	$ 12.73
Summary information about stock options outstanding [Abstract]
Range of Exercise Price, Minimum (in dollars per share)	$ 8.67
Range of Exercise Price, Maximum (in dollars per share)	$ 16.59
Weighted Average Contractual Periods in Years	8 months 16 days
1998 Stock Option Plan [Member] | Minimum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period	4 years
Expiration period of awards	6 years
1998 Stock Option Plan [Member] | Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period	5 years
Expiration period of awards	10 years
2002 Stock Option Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares authorized to grant options to purchase (in shares)	1,800,000
Share-based payment award, expiration date	Apr. 30, 2012
Stock Option Plans, Shares Outstanding [Abstract]
Outstanding (in shares)	624,700	574,800	736,951
Granted (in shares)	181,500	179,000	109,500
Exercised (in shares)	(33,104)	0	0
Cancelled (in shares)	(70,499)	(129,100)	(271,651)
Outstanding (in shares)	702,597	624,700	574,800
Stock Options, Weighted Average Option Exercise Price [Abstract]
Outstanding (in dollars per share)	$ 6.15	$ 9.12	$ 12.03
Granted (in dollars per share)	$ 4.40	$ 2.45	$ 3.59
Exercised (in dollars per share)	$ 3.86	$ 0	$ 0
Cancelled (in dollars per share)	$ 12.45	$ 14.29	$ 14.78
Outstanding (in dollars per share)	$ 5.17	$ 6.15	$ 9.12
Options Exercisable at [Abstract]
December 31, 2012 (in shares)	314,825
December 31, 2013 (in shares)	164,458
December 31, 2014 (in shares)	145,114
December 31, 2015 (in shares)	78,200
December 31, 2016 (in shares)	0
Thereafter (in shares)	0
Total options exercisable (in shares)	702,597
Options Weighted Average Option Exercise Price at [Abstract]
December 31, 2012 (in dollars per share)	$ 5.17
December 31, 2013 (in dollars per share)	$ 5.17
December 31, 2014 (in dollars per share)	$ 5.17
December 31, 2015 (in dollars per share)	$ 5.17
December 31, 2016 (in dollars per share)	$ 5.17
Summary information about stock options outstanding [Abstract]
Range of Exercise Price, Minimum (in dollars per share)	$ 2.45
Range of Exercise Price, Maximum (in dollars per share)	$ 13.24
Weighted Average Contractual Periods in Years	5 years 10 months 24 days
2002 Stock Option Plan [Member] | Minimum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expiration period of awards	6 years
2002 Stock Option Plan [Member] | Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expiration period of awards	10 years
2012 Stock Incentive Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares authorized to grant options to purchase (in shares)	1,000,000
Share-based payment award, expiration date	Apr. 05, 2022
Stock Option Plans, Shares Outstanding [Abstract]
Outstanding (in shares)	0	0	0
Granted (in shares)	0	0	0
Exercised (in shares)	0	0	0
Cancelled (in shares)	0	0	0
Outstanding (in shares)	0	0	0
Stock Options, Weighted Average Option Exercise Price [Abstract]
Outstanding (in dollars per share)	$ 0	$ 0	$ 0
Granted (in dollars per share)	$ 0	$ 0	$ 0
Exercised (in dollars per share)	$ 0	$ 0	$ 0
Cancelled (in dollars per share)	$ 0	$ 0	$ 0
Outstanding (in dollars per share)	$ 0	$ 0	$ 0
Options Exercisable at [Abstract]
December 31, 2012 (in shares)	0
December 31, 2013 (in shares)	0
December 31, 2014 (in shares)	0
December 31, 2015 (in shares)	0
December 31, 2016 (in shares)	0
Thereafter (in shares)	0
Total options exercisable (in shares)	0
Options Weighted Average Option Exercise Price at [Abstract]
December 31, 2012 (in dollars per share)	$ 0
December 31, 2013 (in dollars per share)	$ 0
December 31, 2014 (in dollars per share)	$ 0
December 31, 2015 (in dollars per share)	$ 0
December 31, 2016 (in dollars per share)	$ 0
Thereafter (in dollars per share)	$ 0