STOCK OPTION PLAN (Details) (USD $)	0 Months Ended	12 Months Ended
	Apr. 28, 2014	Dec. 31, 2014 Plan		Dec. 31, 2013
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of active stock based compensation plan		1
Option contract term		P10Y
Percentages of stock option ownership considered for higher exercise price of option (in hundredths)		10.00%
Option exercise price as percentages of closing exercise price of stock for specific shareholders (in hundredths)		110.00%
Expiration period of stock option plan		5 years
Number of shares authorized (in shares)		1,000,000
Increase in number of shares authorized (in shares)	130,000	100,000
Number of shares available for grant (in shares)		135,871
Intrinsic value of exercised options		$ 200,000		$ 200,000
Non-vested shares (in shares)		121,000		89,000
New shares issued (in shares)		16,164
Number of Options [Roll Forward]
Outstanding at beginning of year (in shares)		188,000
Granted (in shares)		95,000
Exercised (in shares)		(16,000)
Forfeited or expired (in shares)		(18,000)
Outstanding at end of year (in shares)		249,000		188,000
Options exercisable at year end (in shares)		129,000
Weighted average exercise price [Roll Forward]
Outstanding at beginning of year (in dollars per share)		$ 14.29
Granted (in dollars per share)		$ 18.17
Exercised (in dollars per share)		$ 5.56
Forfeited or expired (in dollars per share)		$ 9.14
Outstanding at end of year (in dollars per share)		$ 16.71		$ 14.29
Options exercisable at year end (in dollars per share)		$ 19.46
Weighted average remaining contractual life (in years) [Abstract]
Outstanding at end of year		7 years 4 months 24 days
Options exercisable at year end		6 years 1 month 6 days
Aggregate intrinsic value [Abstract]
Outstanding at end of year		2,474,000
Options exercisable at year end		4,138,000
Assumptions used to calculate compensation expense and fair value of stock options granted [Abstract]
Dividend yield (in hundredths)		0.00%	[1]	0.00%	[1]
Risk-free interest rate, minimum (in hundredths)		1.30%		0.70%
Risk-free interest rate, maximum (in hundredths)		1.50%		1.40%
Expected market price volatility, minimum (in hundredths)		77.10%		80.30%
Expected market price volatility, maximum (in hundredths)		80.50%		82.30%
Average expected life of stock options		4 years 6 months		4 years 6 months
Weighted-average grant-date fair value (in dollars per share)		$ 11.25		$ 3.96
Total fair value of shares vested		100,000		100,000
Summary of amounts related to the expense of the fair values of options [Abstract]
Selling, general and administrative expenses and income from operations before income taxes		512,000		173,000
Benefit for income taxes		(137,000)		(33,000)
Effect on net income		375,000		140,000
Unrecognized compensation expense [Abstract]
Total gross unrecognized compensation expense in 2015		425,000
Total gross unrecognized compensation expense in 2016		225,000
Total gross unrecognized compensation expense in 2017		69,000
Total unrecognized compensation expense		719,000
Tax benefit associated with unrecognized compensation expense in 2015		82,000
Tax benefit associated with unrecognized compensation expense in 2016		18,000
Tax benefit associated with unrecognized compensation expense in 2017		0
Total tax benefit associated with unrecognized compensation expense		100,000
Total net unrecognized compensation expense in 2015		343,000
Total net unrecognized compensation expense in 2016		207,000
Total net unrecognized compensation expense in 2017		69,000
Total net unrecognized compensation expense		$ 619,000
Minimum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period of stock options		2 years
Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period of stock options		3 years
Board of Directors [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares available for grant (in shares)		6,000

[1] The Company declared no dividends in 2014 or 2013.