CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	$ 89,173	$ 807,264	$ 1,615,327
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	3,649,138	3,000,275	2,628,174
Stock compensation expense	467,028	600,936	335,076
Provision for doubtful accounts	390,218	579,419	627,713
Provision for (benefit from) deferred income taxes	(34,433)	680,053	1,054,046
Change in fair value of contingent liabilities	(196,000)	0	(830,000)
Gain from early extinguishment of debt	(22,059)	0	0
Changes in assets and liabilities, net of effects from acquisitions:
Accounts receivable	(1,026,385)	(337,845)	(54,067)
Prepaid expenses and other assets	27,139	112,796	(40,819)
Deferred charges and other assets	(7,345)	6,951	(9,593)
Accounts payable	628,783	(191,698)	(51,927)
Accrued expenses	(803)	(334,217)	(516,530)
Accrued payroll and related expenses	474,078	(12,856)	(213,747)
Income taxes payable/(receivable)	265,695	(557,668)	532,354
Other long-term obligations	(363,351)	42,685	80,145
Net cash provided by operating activities	4,340,876	4,396,095	5,156,152
CASH FLOWS FROM INVESTING ACTIVITIES:
Notes receivable	22,022	33,724	12,001
Capital expenditures	(4,980,584)	(4,202,648)	(2,447,755)
Net cash used in investing activities	(4,958,562)	(4,168,924)	(2,435,754)
CASH FLOWS FROM FINANCING ACTIVITIES:
Advances - line of credit	28,417,653	21,662,666	17,235,465
Advances - term loan	2,000,000	2,000,000	0
Repayments - line of credit	(24,999,905)	(21,239,691)	(16,731,414)
Repayments - term loan	(3,800,000)	(200,000)	(690,000)
Proceeds from exercise of Common Stock options	43,000	0	0
Purchase and retirement of Common Stock	0	(621,697)	(479,344)
Tax benefit (expense) of Common Stock options exercised	(59,506)	(18,189)	18,816
Common Stock cash dividends	(1,626,240)	(1,621,627)	(1,556,251)
Net cash used in financing activities	(24,998)	(38,538)	(2,202,728)
NET CHANGE IN CASH AND CASH EQUIVALENTS	(642,684)	188,633	517,670
CASH AND CASH EQUIVALENTS, beginning of year	1,112,511	923,878	406,208
CASH AND CASH EQUIVALENTS, end of year	469,827	1,112,511	923,878
SUPPLEMENTAL DISCLOSURE OF CASH FLOW INFORMATION:
Cash paid during the year for interest	157,204	132,374	119,546
Cash paid during the year for income taxes	172,104	397,759	91,896
Cash received during the year for income taxes	221,900	0	631,640
NON-CASH ITEMS:
Gain/(loss) recognized on interest rate swap (net of taxes)	$ 0	$ 0	$ 5,150