Consolidated Statements of Operations (USD $)	12 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
Income Statement [Abstract]
Revenue	$ 20,714,998	$ 18,827,367
Operating Expenses
Rents and transportation	4,109,906	4,301,760
Wages, salaries and benefits	5,967,553	5,591,171
Fuel and fuel taxes	6,949,144	5,526,923
Depreciation and amortization	2,605,052	2,179,827
Insurance and claims	1,038,593	725,995
Operating taxes and licenses	227,776	198,853
General and administrative	3,395,729	4,020,941
Total Operating Expenses	24,293,753	22,545,470
Loss from continuing operations	(3,578,755)	(3,718,103)
(Loss)/Gain from discontinued operations	(8,950,653)	(1,865,895)
Other Income (Expense)
Gain/(loss) on change of fair value of derivative liability	207,956	(513,471)
Interest	(2,098,459)	(1,887,677)
Other income (expense)	91,744	216,585
Total Other Income (Expense)	(1,798,759)	(2,184,563)
Net loss before noncontrolling interest	(14,328,167)	(7,768,561)
Noncontrolling interest share of subsidiary net income (loss)	(9,089)	7,361
Net loss	$ (14,337,256)	$ (7,761,200)
Net loss per share - basic and diluted
Loss from continuing operations	$ (0.14)	$ (0.24)
Loss from discontinued operations	$ (0.23)	$ (0.08)
Net loss per common share-basic and diluted	$ (0.37)	$ (0.31)
Weighted average common shares outstanding - basic and diluted	38,729,546	24,662,809