Consolidated Statements of Cash Flows (Unaudited) (USD $)	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Cash flows from operating activities:
Net income (loss)	$ (1,774,021)	$ 818,238
Adjustments to reconcile net income (loss) to cash flows from operating activities:
Depreciation	2,379,971	2,728,557
Amortization	1,185,925	1,794,036
Amortization of debt premium	(31,260)	(27,840)
Amortization of loan costs	342,024	342,024
Change in fair value of derivatives		(241,438)
Provision for uncollectible revenue	37,253	122,402
Changes in operating assets and liabilities
Accounts receivable	1,895,515	864,192
Material and supplies	(78,945)	(245,676)
Prepaid expenses and other assets	(885,402)	(200,130)
Accounts payable and accrued liabilities	1,007,701	1,046,924
Advance billings and payments	(66,337)	222,279
Other liabilities	(321,660)	67,487
Net cash from operating activities	3,690,764	7,291,055
Cash used in investing activities:
Acquisition and construction of property and equipment	(798,853)	(1,303,197)
Net cash used in investing activities	(798,853)	(1,303,197)
Cash flows used in financing activities:
Cash dividends paid		(2,330,272)
Loan origination costs	(1,114,875)	(9,499)
Net cash used in financing activities	(1,114,875)	(2,339,771)
Net increase in cash and cash equivalents	1,777,036	3,648,087
Cash and cash equivalents, beginning of period	32,516,283	12,393,792
Cash and cash equivalents, end of period	34,293,319	16,041,879
Supplemental disclosures of cash flow information:
Interest paid	1,825,337	5,820,846
Income taxes paid	$ 35,500	$ 25,250