NOTES PAYABLE TO BANK (Interest Rate Swap) (Details) (USD $)	Dec. 31, 2012 derivatives
Derivative contract - interest rate swap [Member]
Derivative [Line Items]
Number of interest rate derivatives	3
Average interest rate for swap agreements	5.80%
Fair value of liability	$ 249,600
Cash balance used as collateral for hedged item	315,900
Interest Rate Swap 1 [Member]
Derivative [Line Items]
Notional amount	4,200,000
Fixed interest rate	5.89%
Interest Rate Swap 2 [Member]
Derivative [Line Items]
Notional amount	1,816,000
Fixed interest rate	5.65%
Interest Rate Swap 3 [Member]
Derivative [Line Items]
Notional amount	$ 402,000
Fixed interest rate	5.89%