NOTES PAYABLE - Information regarding notes payable - Parentheticals (Details)	Mar. 31, 2013	Dec. 31, 2012	Jun. 30, 2011
Unsecured notes payable due at maturity in September 2015
Debt Instrument [Line Items]
Interest rate	10.00%	10.00%
Series A Notes Payable Due September 2015
Debt Instrument [Line Items]
Interest rate	8.00%	8.00%	8.00%
Series A Notes Payable Due October 2011 (past due)
Debt Instrument [Line Items]
Interest rate	8.00%	8.00%
Notes Payable Due September 2013
Debt Instrument [Line Items]
Interest rate	25.00%	25.00%