NATURE OF OPERATIONS AND ACCOUNTING POLICIES. (Details 3) (Interest rate swap, USD $)		0 Months Ended
Dec. 27, 2008 Designated Cash flow	Dec. 23, 2009 De-designated
Financial instruments and fair value
Notional amount	$ 15,000,000
Fixed interest rate (as a percent)	4.71%
Payment of interest rate swap		$ 375,000

Aggregate notional amount specified by the derivative(s). Expressed as an absolute value.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Article 12

-Section 13

-Sentence Column B

+ Details

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- Definition

Fixed interest rate related to the interest rate derivative.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
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Period Type:	instant

- Details

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Data Type:	xbrli:stringItemType
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Period Type:	duration

- Definition

The cash outflow for derivative instruments during the period, which are classified as financing activities, excluding those designated as hedging instruments.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 23

-URI http://asc.fasb.org/extlink&oid=6943989&loc=d3e3505-108585

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