INCOME TAXES (Details) (USD $)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Current [Abstract]
Federal	$ 0	$ (7,369,000)	$ 9,720,000
State	200,000	709,000	2,226,000
Total	200,000	(6,660,000)	11,946,000
Deferred [Abstract]
Federal	(3,828,000)	21,103,000	(11,394,000)
State	(597,000)	5,148,000	(2,834,000)
Total	(4,425,000)	26,251,000	(14,228,000)
Total provision (benefit)	(4,225,000)	19,591,000	(2,282,000)
Deferred Tax Assets Current [Abstract]
Accrued vacation	0	79,000
Allowance for bad debts	5,527,000	5,502,000
Total current deferred tax assets	5,527,000	5,581,000
Deferred Tax Assets Noncurrent [Abstract]
Allowance for bad debts	399,000	392,000
Accrued rent	3,255,000	3,669,000
Stock-based compensation	907,000	1,509,000
Depreciation	15,754,000	10,670,000
Goodwill	1,002,000	0
Other intangibles	452,000	434,000
Pension plan liabilities	2,115,000	608,000
Net operating loss carryforwards	14,332,000	6,285,000
Sale leaseback-deferred gain	2,580,000	2,531,000
AMT credit	424,000	424,000
Total noncurrent deferred tax assets	41,220,000	26,522,000
Total deferred tax assets	46,747,000	32,103,000
Less valuation allowance	(46,747,000)	(31,679,000)
Deferred tax assets, net of valuation allowance	0	424,000
Deferred Tax Liabilities Noncurrent [Abstract]
Goodwill	0	(4,952,000)
Total deferred tax liabilities	0	(4,952,000)
Total net noncurrent deferred tax (liabilities) assets	0	(4,528,000)
Total net deferred tax (liabilities) assets	0	(4,528,000)
Difference between the actual tax provision and the tax provision that would result from the use of the Federal statutory rate [Abstract]
Loss from continuing operations before taxes	(53,712,000)	(11,534,000)	(17,201,000)
Expected tax benefit	(18,799,000)	(4,037,000)	(6,020,000)
State tax benefit (net of federal)	(1,494,000)	(92,000)	(395,000)
Permanent impairment	6,539,000	0	3,588,000
Valuation allowance	9,344,000	23,490,000	0
Other	185,000	230,000	545,000
Total provision (benefit)	(4,225,000)	19,591,000	(2,282,000)
Expected tax (benefit) expense (in hundredths)	35.00%	35.00%	35.00%
State tax (benefit) expense (net of federal) (in hundredths)	2.80%	0.80%	2.30%
Permanent impairment (in hundredths)	(12.20%)	0.00%	(20.90%)
Valuation allowance (in hundredths)	(17.40%)	(203.70%)	0.00%
Other (in hundredths)	(0.30%)	(2.00%)	(3.20%)
Total (in hundredths)	7.90%	(169.90%)	13.20%
Valuation allowance from discontinued operations	7,100,000
Net operating loss carryforwards	32,300,000	12,300,000
Net operating loss carryforwards limitations on amount utilized	7,800,000	7,800,000
Activity related to uncertain tax positions [Roll Forward]
Balance, beginning of period	0	135,000	100,000
Decrease for tax positions of prior years	0	(135,000)	(100,000)
Increase for tax positions of current year	0	0	135,000
Balance, end of period	$ 0	$ 0	$ 135,000