NOTES PAYABLE AND CREDIT FACILITY (Details) (USD $)	6 Months Ended	12 Months Ended
	Sep. 30, 2013	Dec. 31, 2012	Mar. 31, 2013
Recourse and Non Recourse Notes Payable [Line Items]
Recourse notes payable	$ 1,520,000		$ 1,484,000
Non-recourse notes payable	42,148,000		40,255,000
Interest rate of recourse note , stated (in hundredths)	4.84%
Period of notice required to terminate credit facility at quarter end	45 days
Period of notice required to terminate credit facility at year end	90 days
GECDF [Member]
Recourse and Non Recourse Notes Payable [Line Items]
Number of components under GECDF credit facility	2
Basis spread on reference rate (in hundredths)	2.50%
Guarantor obligations for credit facility, maximum	10,500,000
First Commonwealth Bank of Virginia [Member]
Recourse and Non Recourse Notes Payable [Line Items]
Basis spread on reference rate (in hundredths)	1.00%
Amount outstanding under credit facility	500,000
Account receivable component [Member]
Recourse and Non Recourse Notes Payable [Line Items]
Maximum amount can be borrowed under credit facility	30,000,000
Amount outstanding under credit facility	0		0
Floor plan component [Member]
Recourse and Non Recourse Notes Payable [Line Items]
Maximum amount can be borrowed under credit facility	175,000,000
Amount outstanding under credit facility	$ 80,300,000		$ 66,300,000
Non-Recourse Note Payable [Member]
Recourse and Non Recourse Notes Payable [Line Items]
Interest rate of non recourse note , minimum (in hundredths)	2.00%	2.00%
Interest rate of non recourse note , maximum (in hundredths)	10.00%	10.00%
Weighted average interest rate of non recourse note (in hundredths)	3.82%		4.23%