CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED) - USD ($)	9 Months Ended
	Sep. 30, 2017		Sep. 30, 2016
CASH FLOWS FROM OPERATING ACTIVITIES:
Net loss	$ (1,683,897)		$ (847,354)
Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation and amortization	2,871,549		3,192,158
Stock-based compensation expense	160,286		123,118
Provision for doubtful accounts	652,086		635,522
Benefit from deferred income taxes	(890,288)		(547,765)
Stock grant	175,000	[1]	0
Changes in assets and liabilities
Accounts receivable	(1,451,807)		(942,021)
Prepaid expenses and other assets	10,007		(203,301)
Deferred charges and other assets	(8,250)		0
Accounts payable	1,625,900		(49,622)
Accrued expenses	(122,263)		(211,088)
Accrued payroll and related expenses	357,596		(91,333)
Income taxes payable (receivable)	0		84,206
Other long-term obligations	(23,339)		171,810
Net cash provided by operating activities	1,672,580		1,314,330
CASH FLOWS USED IN INVESTING ACTIVITIES:
Capital expenditures	(520,852)		(684,729)
Note receivable	23,431		19,221
Net cash used in investing activities	(497,421)		(665,508)
CASH FLOWS USED IN FINANCING ACTIVITIES:
Advances - line of credit	20,329,290		16,993,128
Repayments - line of credit	(20,368,477)		(16,261,772)
Repayments - reducing revolving loan	(1,054,350)		(1,000,000)
Purchase and retirement of Common Stock	0		(8,860)
Common Stock cash dividends	0		(409,443)
Net cash used in financing activities	(1,093,537)		(686,947)
NET CHANGE IN CASH	81,622		(38,125)
CASH, beginning of period	157,923		258,801
CASH, end of period	239,545		220,676
SUPPLEMENTAL DISCLOSURE OF CASH FLOW INFORMATION:
Cash paid for interest	302,589		199,982
Cash paid for income taxes	0		50,906
Cash received for income taxes	46,992		85,000
NON-CASH ITEMS:
Repayments - line of credit with Compass Bank	$ 0		$ 10,617,598

[1] The Company issued 12,500 shares of Common Stock under a settlement agreement with an activist shareholder group. The shares were valued at $175,000 based on the closing price of the Common Stock on the date of the grant.