FAIR VALUE MEASUREMENTS (Details) (USD $)	3 Months Ended
Mar. 31, 2013	Mar. 31, 2012	Dec. 31, 2012
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Combined fair value of available-for-sale securities	$ 100,000		$ 100,000
Gross unrealized losses	100,000		100,000
Transfers in out between levels	0	0
Recurring [Member]
Financial Assets Fair Value [Abstract]
Investments held in rabbi trust	6,150,000		6,014,000
Marketable Securities	3,000		2,000
Total	6,153,000		6,016,000
Recurring [Member] \| Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]
Financial Assets Fair Value [Abstract]
Investments held in rabbi trust	6,150,000		6,014,000
Marketable Securities	3,000		2,000
Total	6,153,000		6,016,000
Recurring [Member] \| Significant Other Observable Inputs (Level 2) [Member]
Financial Assets Fair Value [Abstract]
Investments held in rabbi trust	0		0
Marketable Securities	0		0
Total	0		0
Recurring [Member] \| Significant Unobservable Inputs (Level 3) [Member]
Financial Assets Fair Value [Abstract]
Investments held in rabbi trust	0		0
Marketable Securities	0		0
Total	$ 0		$ 0

This element represents the portion of the balance sheet assertion valued at fair value by the entity whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. This item represents Available-for-sale Securities which consist of all investments in certain debt and equity securities neither classified as trading or held-to-maturity securities. A debt security represents a creditor relationship with an enterprise. Debt securities include, among other items, US Treasury securities, US government securities, municipal securities, corporate bonds, convertible debt, commercial paper, and all securitized debt instruments. An equity security represents an ownership interest in an enterprise or the right to acquire or dispose of an ownership interest in an enterprise at fixed or determinable prices. Equity securities include, among other things, common stock, certain preferred stock, warrant rights, call options, and put options, but do not include convertible debt. An entity may opt to provide the reader with additional narrative text to better understand the nature of investments in debt and equity securities which are categorized as Available-for-sale.

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