Consolidated Statements of Operations (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
Revenues	$ 25,501,062	$ 26,510,944	$ 50,893,060	$ 52,305,153
Operating expenses
Cost of services and products	10,756,512	10,427,781	21,776,724	21,037,973
Selling, general and administrative expenses	2,909,960	3,236,515	6,237,017	6,467,512
Depreciation and amortization	4,507,979	5,835,311	10,231,997	11,919,602
Total operating expenses	18,174,451	19,499,607	38,245,738	39,425,087
Income from operations	7,326,611	7,011,337	12,647,322	12,880,066
Other income (expense)
Interest expense	(6,199,172)	(6,179,470)	(12,369,303)	(12,168,112)
Change in fair value of derivatives	480,086	(176,279)	986,241	(1,062,449)
Other income	33,148	24,027	382,497	382,859
Total other expenses	(5,685,938)	(6,331,722)	(11,000,565)	(12,847,702)
Income before income tax	1,640,673	679,615	1,646,757	32,364
Income tax expense	(357,396)	(262,339)	(358,828)	(744)
Net income available to common stockholders	$ 1,283,277	$ 417,276	$ 1,287,929	$ 31,620
Weighted average common shares outstanding:
Basic (in Shares)	13,221,404	12,812,901	13,221,404	12,747,540
Diluted (in Shares)	13,221,404	13,221,404	13,221,404	13,221,404
Basic net income per common share (in Dollars per share)	$ 0.10	$ 0.03	$ 0.10
Diluted net income per common share (in Dollars per share)	$ 0.10	$ 0.03	$ 0.10
Dividends declared per common share (in Dollars per share)	$ 0.18	$ 0.18	$ 0.35	$ 0.35