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SCHEDULE II - VALUATION RESERVES (Details) (USD $)	12 Months Ended
SCHEDULE II - VALUATION RESERVES (Details) (USD $)	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Valuation and Qualifying Accounts [Abstract]
Balance at beginning of year	$ 4,204,000	$ 3,889,000	$ 3,958,000
Provision for Doubtful Accounts	1,240,000	408,000	255,000
Valuation Allowances and Reserves, Deductions	(314,000)	(93,000)	(324,000)
Balance at end of year	$ 5,130,000	$ 4,204,000	$ 3,889,000

Amount of the current period expense charged against operations, the offset which is generally to the allowance for doubtful accounts for the purpose of reducing receivables, including notes receivable, to an amount that approximates their net realizable value (the amount expected to be collected).

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