NOTES PAYABLE TO BANKS (Detail Textuals 1) (Revolving credit facility)	3 Months Ended
Mar. 31, 2013
Minimum
Line of Credit Facility [Line Items]
Fees on unused portion of facility	0.25%
Maximum
Line of Credit Facility [Line Items]
Fees on unused portion of facility	0.35%
Option 2 \| Eurodollar Borrowings
Line of Credit Facility [Line Items]
Description of reference rate basis	Adjusted LIBOR
Option 2 \| Eurodollar Borrowings \| Minimum
Line of Credit Facility [Line Items]
Fees on unused portion of facility	1.25%
Option 2 \| Eurodollar Borrowings \| Maximum
Line of Credit Facility [Line Items]
Fees on unused portion of facility	2.25%

Description of the interest rate for the amounts borrowed under the credit facility, including the terms and the method for determining the interest rate (for example, fixed or variable, LIBOR plus a percentage, increasing rate, timing of interest rate resets, remarketing provisions).

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 129

-Paragraph 2, 4

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.19(b),22(b))

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19, 22

-Article 5

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