ORGANIZATION (Details 3) (USD $) In Millions, except Share data, unless otherwise specified	0 Months Ended	3 Months Ended					12 Months Ended
	Dec. 26, 2012	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2012	Dec. 31, 2011
Special dividend paid (in dollars per share)	$ 1.00
Effect of corrections on consolidated statement of operations
Weighted average basic shares outstanding		10,967,000	10,768,000	10,771,000	10,685,000	10,555,000	10,695,000	10,377,000
Weighted average diluted shares outstanding		10,967,000	11,557,000	11,385,000	10,685,000	10,555,000	10,695,000	10,377,000
Net income (loss) per share from continuing operations
Basic (in dollars per share)		$ (0.02)	$ 0.23	$ 0.03	$ (0.16)	$ (0.31)	$ (0.21)	$ (4.79)
Diluted (in dollars per share)		$ (0.02)	$ 0.22	$ 0.02	$ (0.16)	$ (0.31)	$ (0.21)	$ (4.79)
Net income (loss) per share from discontinuing operations
Basic (in dollars per share)		$ (0.22)	$ (0.02)	$ 0.38	$ 2.58	$ 1.65	$ 4.57	$ (0.94)
Diluted (in dollars per share)		$ (0.22)	$ (0.02)	$ 0.36	$ 2.58	$ 1.65	$ 4.57	$ (0.94)
Net income per share attributable to common shareholders
Basic (in dollars per share)		$ (0.25)	$ 0.22	$ 0.41	$ 2.41	$ 1.34	$ 4.36	$ (5.73)
Diluted (in dollars per share)		$ (0.25)	$ 0.20	$ 0.38	$ 2.41	$ 1.34	$ 4.36	$ (5.73)
Anti-dilutive securities excluded from calculation of diluted earnings per share		700,000				200,000	0	0
Effect of errors on consolidated balance sheet
Issued shares		12,422,020	12,195,209				12,195,209
Outstanding shares		11,233,541	11,006,730				11,006,730
Release of restrictions on restricted stock awards | Chairman and CEO
Dividend overpaid	$ 0.4
Over accrual of dividend for unvested shares			$ 0.2				$ 0.2
As Reported | Release of restrictions on restricted stock awards
Effect of corrections on consolidated statement of operations
Weighted average basic shares outstanding			11,386,000	11,389,000	11,303,000	11,173,000	11,313,000	10,995,000
Weighted average diluted shares outstanding			12,175,000	12,003,000	11,303,000	11,414,000	11,313,000	10,995,000
Net income (loss) per share from continuing operations
Basic (in dollars per share)			$ 0.22	$ 0.02	$ (0.16)	$ (0.29)	$ (0.20)	$ (4.52)
Diluted (in dollars per share)			$ 0.21	$ 0.02	$ (0.16)	$ (0.29)	$ (0.20)	$ (4.52)
Net income (loss) per share from discontinuing operations
Basic (in dollars per share)			$ (0.02)	$ 0.36	$ 2.44	$ 1.56	$ 4.32	$ (0.89)
Diluted (in dollars per share)			$ (0.02)	$ 0.35	$ 2.44	$ 1.53	$ 4.32	$ (0.89)
Net income per share attributable to common shareholders
Basic (in dollars per share)			$ 0.20	$ 0.38	$ 2.28	$ 1.27	$ 4.12	$ (5.41)
Diluted (in dollars per share)			$ 0.19	$ 0.37	$ 2.28	$ 1.24	$ 4.12	$ (5.41)
Effect of errors on consolidated balance sheet
Issued shares			12,625,678				12,625,678
Outstanding shares			11,437,199				11,437,199
Adjustment
Net income per share attributable to common shareholders
Error correction related to the control number utilized for diluted earnings per share (in shares)						241,000
Error correction related to the control number utilized for diluted earnings per share (in dollar per share)						$ 0.03
Adjustment | Release of restrictions on restricted stock awards
Effect of corrections on consolidated statement of operations
Weighted average basic shares outstanding			(618,000)	(618,000)	(618,000)	(618,000)	(618,000)	(618,000)
Weighted average diluted shares outstanding			(618,000)	(618,000)	(618,000)	(859,000)	(618,000)	(618,000)
Net income (loss) per share from continuing operations
Basic (in dollars per share)			$ 0.01	$ 0.01	$ 0.00	$ (0.02)	$ (0.01)	$ (0.27)
Diluted (in dollars per share)			$ 0.01	$ 0.00	$ 0.00	$ (0.02)	$ (0.01)	$ (0.27)
Net income (loss) per share from discontinuing operations
Basic (in dollars per share)			$ 0.00	$ 0.02	$ 0.14	$ 0.09	$ 0.25	$ (0.05)
Diluted (in dollars per share)			$ 0.00	$ 0.01	$ 0.14	$ 0.12	$ 0.25	$ (0.05)
Net income per share attributable to common shareholders
Basic (in dollars per share)			$ 0.02	$ 0.03	$ 0.13	$ 0.07	$ 0.24	$ (0.32)
Diluted (in dollars per share)			$ 0.01	$ 0.01	$ 0.13	$ 0.10	$ 0.24	$ (0.32)
Effect of errors on consolidated balance sheet
Issued shares			(430,469)				(430,469)
Outstanding shares			(430,469)				(430,469)