CONSOLIDATED STATEMENTS OF OPERATIONS (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Income Statement [Abstract]
Revenue from services	$ 438,310,716	$ 442,635,146	$ 439,377,460
Operating expenses:
Direct operating expenses	324,850,878	331,050,041	319,988,729
Selling, general and administrative expenses	106,116,849	109,416,687	104,544,116
Bad debt expense	1,078,195	786,107	574,457
Depreciation	3,885,688	4,904,845	5,965,002
Amortization	2,294,077	2,263,556	2,393,722
Acquisition costs	473,488	0	0
Restructuring costs	483,578	0	0
Legal settlement charge	750,000	0	0
Impairment charges	6,400,000	18,732,407	0
Total operating expenses	446,332,753	467,153,643	433,466,026
(Loss) income from continuing operations	(8,022,037)	(24,518,497)	5,911,434
Other expenses (income):
Foreign exchange gain	(132,058)	(62,231)	(263,967)
Interest expense	849,149	2,341,299	2,856,043
Loss on early extinguishment and modification of debt	1,419,010	81,503	0
Other (income) expense, net	(118,675)	15,790	(297,728)
(Loss) income from continuing operations before income taxes	(10,039,463)	(26,894,858)	3,617,086
Income tax expense (benefit)	44,210,548	(6,149,889)	2,069,447
(Loss) income from continuing operations	(54,250,011)	(20,744,969)	1,547,639
Income (loss) from discontinued operations, net of income taxes	2,280,688	(21,476,528)	2,550,210
Net (loss) income	$ (51,969,323)	$ (42,221,497)	$ 4,097,849
Basic (loss) income per common share from:
Continuing operations (usd per share)	$ (1.75)	$ (0.67)	$ 0.05
Discontinued operations (usd per share)	$ 0.07	$ (0.70)	$ 0.08
Net (loss) income (usd per share)	$ (1.68)	$ (1.37)	$ 0.13
Diluted (loss) income per common share from:
Continuing operations (usd per share)	$ (1.75)	$ (0.67)	$ 0.05
Discontinued operations (usd per share)	$ 0.07	$ (0.70)	$ 0.08
Net (loss) income (usd per share)	$ (1.68)	$ (1.37)	$ 0.13
Weighted average common shares outstanding—basic (shares)	31,009,218	30,842,723	31,146,165
Weighted average common shares outstanding—diluted (shares)	31,009,218	30,842,723	31,192,016