STOCK COMPENSATION PLANS (Details) (USD $)	12 Months Ended			0 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	Sep. 09, 2014	Mar. 04, 2014	Aug. 05, 2013	Mar. 04, 2013	Dec. 09, 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expected term of stock options in Black-Scholes option pricing model, previous	4 years
Expected term of stock options in Black-Scholes option pricing model, revised	2 years
Options Weighted Average Option Exercise Price at [Abstract]
Decrease in income from continuing operations due to change in accounting pronouncement	$ 1,272,500	$ 447,000
Decrease in net income due to change in accounting pronouncement	$ 800,000	$ 278,600
Net income (loss) per share after change in accounting pronouncement, basic (in dollars per share)	$ 3.15	$ 1.53
Net income (loss) per share after change in accounting pronouncement, diluted (in dollars per share)	$ 3.05	$ 1.48
Net income (loss) per share - basic (in dollars per share)	$ 3.08	$ 1.50	$ 0.53
Net income (loss) per share - diluted (in dollars per share)	$ 2.99	$ 1.45	$ 0.53
Weighted average fair value of options granted (in dollars per share)	$ 0	$ 0
Fair value of options granted is estimated on date of grant used assumptions [Abstract]
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)			$ 1.45
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
Share-based payment award, expiration date	Sep. 30, 2008
Stock Option Plans, Shares Outstanding [Abstract]
Outstanding (in shares)	3,000	78,500	89,750
Granted (in shares)	0	0	0
Exercised (in shares)	(3,000)	(500)	0
Cancelled (in shares)	0	(75,000)	(11,250)
Outstanding (in shares)	0	3,000	78,500
Stock Options, Weighted Average Option Exercise Price [Abstract]
Outstanding (in dollars per share)	$ 8.67	$ 12.73	$ 12.83
Granted (in dollars per share)	$ 0	$ 0	$ 0
Exercised (in dollars per share)	$ 8.67	$ 8.67	$ 0
Cancelled (in dollars per share)	$ 0	$ 12.92	$ 13.54
Outstanding (in dollars per share)	$ 0	$ 8.67	$ 12.73
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)	523,521	702,597	624,700
Granted (in shares)	0	0	181,500
Exercised (in shares)	(299,735)	(165,577)	(33,104)
Cancelled (in shares)	(4,501)	(13,499)	(70,499)
Outstanding (in shares)	219,285	523,521	702,597
Stock Options, Weighted Average Option Exercise Price [Abstract]
Outstanding (in dollars per share)	$ 4.54	$ 5.17	$ 6.15
Granted (in dollars per share)	$ 0	$ 0	$ 4.40
Exercised (in dollars per share)	$ 5.10	$ 7.15	$ 3.86
Cancelled (in dollars per share)	$ 3.49	$ 5.41	$ 12.45
Outstanding (in dollars per share)	$ 3.79	$ 4.54	$ 5.17
Options Exercisable at [Abstract]
December 31, 2014 (in shares)	151,585
December 31, 2015 (in shares)	67,700
December 31, 2016 (in shares)	0
December 31, 2017 (in shares)	0
December 31, 2018 (in shares)	0
Thereafter (in shares)	0
Total options exercisable (in shares)	219,285
Options Weighted Average Option Exercise Price at [Abstract]
December 31, 2013 (in dollars per share)	$ 3.79
December 31, 2014 (in dollars per share)	$ 3.79
December 31, 2015 (in dollars per share)	$ 3.79
December 31, 2016 (in dollars per share)	$ 3.79
December 31, 2017 (in dollars per share)	$ 3.79
Thereafter (in dollars per share)	$ 3.79
Summary information about stock options outstanding [Abstract]
Options Outstanding (in shares)	219,285
Weighted Average Contractual Periods in Years	6 years 7 months 6 days
Weighted Average Exercise Price (in dollars per share)	$ 3.79
Options Exercisable (in shares)	151,585
2002 Stock Option Plan [Member] | Minimum [Member]
Summary information about stock options outstanding [Abstract]
Range of Exercise Price, Maximum (in dollars per share)	$ 2.45
2002 Stock Option Plan [Member] | Maximum [Member]
Summary information about stock options outstanding [Abstract]
Range of Exercise Price, Minimum (in dollars per share)	$ 4.40
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
Other Than Stock Option Plans, Shares Outstanding [Abstract]
Outstanding (in shares)	249,500	0	0
Granted (in shares)	268,648	250,000	0	130,000	88,648	150,000	100,000
Exercised (in shares)	(68,988)	0	0
Cancelled (in shares)	(1,359)	(500)	0
Outstanding (in shares)	447,801	249,500	0
Other Than Stock Options, Fair Market Value at Grant [Abstract]
Outstanding (in dollars per share)	$ 8.24	$ 0	$ 0
Granted (in dollars per share)	$ 25.25	$ 8.23	$ 0
Exercised (in dollars per share)	$ 18.67	$ 0	$ 0
Cancelled (in dollars per share)	$ 7.73	$ 5.54	$ 0
Outstanding (in dollars per share)	$ 16.84	$ 8.24	$ 0
2012 Stock Incentive Plan [Member] | Chief Executive Officer and President [Member]
Other Than Stock Option Plans, Shares Outstanding [Abstract]
Granted (in shares)				45,000	43,997	100,000	25,000	50,000
2012 Stock Incentive Plan [Member] | Chief Financial Officer [Member]
Other Than Stock Option Plans, Shares Outstanding [Abstract]
Granted (in shares)				15,000	16,341	50,000	15,000
2012 Stock Incentive Plan [Member] | Director [Member]
Other Than Stock Option Plans, Shares Outstanding [Abstract]
Granted (in shares)				50,000	15,710		20,000
2012 Stock Incentive Plan [Member] | Other Employees [Member]
Other Than Stock Option Plans, Shares Outstanding [Abstract]
Granted (in shares)				20,000	12,600		40,000