CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED) (USD $)	6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	$ 420,870	$ 450,958
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	1,753,994	1,412,115
Stock-based compensation expense	237,581	344,963
Provision for doubtful accounts	122,140	255,156
Provision for (benefit from) deferred income taxes	(236,501)	0
Changes in assets and liabilities net of effects from acquisitions:
Accounts receivable	(1,395,365)	(414,677)
Prepaid expenses and other assets	(246,744)	(77,770)
Deferred charges and other assets	(3,596)	2,808
Accounts payable	(31,573)	(100,829)
Accrued expenses	41,389	(485,227)
Accrued payroll and related expenses	762,984	484,532
Income taxes payable/(receivable)	602,334	248,317
Other long-term obligations	3,668	(12,606)
Net cash provided by operating activities	2,031,181	2,107,740
CASH FLOWS FROM INVESTING ACTIVITIES:
Capital expenditures	(1,528,508)	(1,853,017)
Notes receivable	10,884	17,859
Net cash used in investing activities	(1,517,624)	(1,835,158)
CASH FLOWS FROM FINANCING ACTIVITIES:
Advances - line of credit	9,404,695	10,866,077
Repayments - line of credit	(11,489,396)	(11,940,645)
Advances - Term loan	2,000,000	2,000,000
Repayments - Term loan	(100,000)	0
Proceeds from exercise of Common Stock options	43,000	0
Purchase and retirement of Common Stock	0	(621,697)
Tax expense of Common Stock options exercised	(31,852)	0
Common Stock cash dividends	(811,537)	(812,456)
Net cash used in financing activities	(985,090)	(508,721)
NET CHANGE IN CASH AND CASH EQUIVALENTS	(471,533)	(236,139)
CASH AND CASH EQUIVALENTS, beginning of year	1,112,511	923,878
CASH AND CASH EQUIVALENTS, end of year	640,978	687,739
SUPPLEMENTAL DISCLOSURE OF CASH FLOW INFORMATION:
Cash paid for interest	70,285	57,095
Cash paid for income taxes	157,000	40,000
Cash received for income taxes	$ 221,900	$ 0