PER SHARE DATA (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended												12 Months Ended
	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2011	Sep. 30, 2011	Jun. 30, 2011	Mar. 31, 2011	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Basic loss per share
Net loss	$ (10,272)	$ (2,191)	$ (1,238)	$ (115)	$ (4,504)	$ (886)	$ (1,239)	$ 9	$ (1,825)	$ (4,536)	$ 313	$ 2,167	$ (13,816)	$ (6,620)	$ (3,881)
Weighted average shares outstanding													7,038	6,943	6,927
Basic loss per share (in dollars per share)	$ (1.45)	$ (0.31)	$ (0.18)	$ (0.02)	$ (0.65)	$ (0.13)	$ (0.18)	$ 0.00	$ (0.26)	$ (0.67)	$ 0.05	$ 0.31	$ (1.96)	$ (0.95)	$ (0.56)
Diluted loss per share
Net loss	$ (10,272)	$ (2,191)	$ (1,238)	$ (115)	$ (4,504)	$ (886)	$ (1,239)	$ 9	$ (1,825)	$ (4,536)	$ 313	$ 2,167	$ (13,816)	$ (6,620)	$ (3,881)
Weighted average shares outstanding													7,038	6,943	6,927
Add dilutive effect of assumed exercising of stock options													0	0	0
Diluted weighted average shares outstanding													7,038	6,943	6,927
Diluted loss per share (in dollars per share)	$ (1.45)	$ (0.31)	$ (0.18)	$ (0.02)	$ (0.65)	$ (0.13)	$ (0.18)	$ 0.00	$ (0.26)	$ (0.67)	$ 0.05	$ 0.31	$ (1.96)	$ (0.95)	$ (0.56)