NOTES PAYABLE AND CREDIT FACILITY (Details) (USD $)	6 Months Ended		6 Months Ended		6 Months Ended					6 Months Ended	12 Months Ended
	Sep. 30, 2012	Mar. 31, 2012	Sep. 30, 2012 GECDF [Member]	Jun. 30, 2012 GECDF [Member]	Sep. 30, 2012 First Commonwealth Bank of Virginia [Member]	Sep. 30, 2012 Account receivable component [Member]	Mar. 31, 2012 Account receivable component [Member]	Sep. 30, 2012 Floor plan component [Member]	Mar. 31, 2012 Floor plan component [Member]	Sep. 30, 2012 Non-Recourse Note Payable [Member]	Mar. 31, 2012 Non-Recourse Note Payable [Member]
Recourse and Non Recourse Notes Payable [Line Items]
Recourse notes payable	$ 1,682,000	$ 1,727,000
Non-recourse notes payable	33,020,000	26,328,000
Interest rate of recourse note , stated (in hundredths)	4.84%
Interest rate of non recourse note , minimum (in hundredths)										2.58%
Interest rate of non recourse note , maximum (in hundredths)											10.00%
Weighted average interest rate of non recourse note (in hundredths)										5.22%	5.15%
Number of components under GECDF credit facility			2
Accounts payable under floor plan component					500,000	0	0	84,400,000	85,900,000
Amount outstanding under accounts receivable component					500,000	0	0	84,400,000	85,900,000
Maximum amount can be borrowed under credit facility			175,000,000	125,000,000		30,000,000
Reference rate of credit facility			One Month Libor		U.S. Prime rate
Basis spread on reference rate (in hundredths)			2.50%		1.00%
Period of notice required to terminate credit facility	90 days
Guarantor obligations for credit facility, maximum			10,500,000
Amount outstanding under credit facility					$ 500,000	$ 0	$ 0	$ 84,400,000	$ 85,900,000
Renewed period of credit facility					2 years