DERIVATIVE FINANCIAL INSTRUMENTS (Details) (USD $)	3 Months Ended	12 Months Ended						0 Months Ended	12 Months Ended			12 Months Ended			1 Months Ended			12 Months Ended								1 Months Ended	12 Months Ended			1 Months Ended
	Mar. 25, 2011	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2008	Dec. 31, 2012 March 2005 Interest Rate Swap [Member] Not Designated as Hedging Instrument [Member]	Dec. 31, 2011 July 2007 Interest Rate Swap [Member] Not Designated as Hedging Instrument [Member]	Mar. 25, 2011 Swap [Member] Interest Rate Swap [Member] Not Designated as Hedging Instrument [Member]	Dec. 31, 2011 Swap [Member] Interest Rate Swap [Member] Not Designated as Hedging Instrument [Member]	Dec. 31, 2010 Swap [Member] Interest Rate Swap [Member] Not Designated as Hedging Instrument [Member]	Dec. 31, 2012 Swap [Member] Interest Rate Swap [Member] Not Designated as Hedging Instrument [Member]	Dec. 31, 2012 Warrant [Member]		Dec. 31, 2011 Warrant [Member]	Sep. 30, 2011 2008 Warrants [Member]	Sep. 30, 2011 2008 Warrants [Member]	May 31, 2011 2008 Warrants [Member]	Dec. 31, 2012 2008 Warrants [Member]	Dec. 31, 2011 2008 Warrants [Member]	Dec. 31, 2011 2008 Warrants [Member]	Sep. 16, 2011 2008 Warrants [Member]	Mar. 31, 2011 2008 Warrants [Member]	Aug. 31, 2010 2008 Warrants [Member]	Dec. 31, 2009 2008 Warrants [Member]	Dec. 31, 2008 2008 Warrants [Member]	Mar. 31, 2011 March 2011 Warrants [Member]	Dec. 31, 2011 March 2011 Warrants [Member]	Mar. 31, 2011 March 2011 Warrants to TCOMF2 [Member]	Mar. 31, 2011 March 2011 Warrants To Northcreek [Member]	Nov. 30, 2011 September 2011 Warrants [Member]	Sep. 30, 2011 September 2011 Warrants [Member]
Interest Rate Swap Agreements [Abstract]
Number of interest rate swap agreements											2
Number of swap agreements determined to be ineffective and de-designated		2			2
Derivative contract fixed interest rate (in hundredths)						4.78%	5.60%
Cash settlement on derivatives	$ 1,100,000							$ 1,100,000
Fair value of interest rate swap agreements								1.1
Change in fair value of de-designated swaps recognized in earnings			100,000	300,000
Decrease in derivative liability			100,000	300,000					100,000	300,000
Number of interest rate derivatives terminated								2
Amortized losses recognized in interest expense			700,000	300,000					700,000	300,000
Amortization of losses on swaps included in other comprehensive income as of de-designation date			79,000						79,000
Unamortized loss on swaps due to forecasted swap transactions probable of not occurring			600,000						600,000
Warrants Subject to Revaluation [Abstract]
Number of shares of common stock issuable upon exercise (in shares)																		291,856	328,169	328,169	419,646	496,397	413,996	483,742	474,049
Exercise price of warrants (in dollars per share)																					$ 0.94	$ 0.96		$ 0.98	$ 1.00
Number of members of Company's former bank lending group who exercised warrants															1	1	2	5	2	2
Number of warrants exercised, gross (in shares)															91,477	91,477	82,401	328,169									250,000	125,000	125,000	135,000
Exercise price of shares issued (in dollars per share)																										$ 0.01	$ 0.01	$ 0.01	$ 0.01	$ 0.01	$ 0.01
Net shares of common stock in the aggregate issued from the exercise of warrants (in shares)															45,881	45,881	45,175	291,856								250,000					135,000
Fair value of warrants exercised and reclassified to shareholders' equity												2,922,000		1,232,000		100,000	100,000	2,900,000		100,000						600,000	600,000			300,000	300,000
Warrants, expiration date																										Mar. 31, 2016				Mar. 31, 2016
Debt discount		0	(832,000)																							700,000				300,000
Black-Scholes valuation model used to determine change in Fair Value based on assumptions [Abstract]
Stock trading value		$ 15.56										$ 4.10	[1]
Risk-free interest rate (in hundredth)												1.89%
Expected warrant remaining life												7 years
Price volatility (in hundredth)												78.55%
Change in fair value of outstanding warrants [Roll Forward]
Balance at beginning of period												1,191,000		770,000
Fair value of March and September 2011 Warrants (debt discount)												0		954,000
Reclassification of fair value of exercised warrants to shareholders' equity												(2,922,000)		(1,232,000)		(100,000)	(100,000)	(2,900,000)		(100,000)						(600,000)	(600,000)			(300,000)	(300,000)
Change in fair value, included in earnings		(1,731,000)	(699,000)	261,000								1,731,000		699,000
Balance at end of period												$ 0		$ 1,191,000

[1] Represents the closing market price of the Company's common stock on December 30, 2011 (last trading day of the period on the NASDAQ stock market).