STOCKHOLDERS' EQUITY (Details) (USD $) In Thousands, except Share data, unless otherwise specified	0 Months Ended				3 Months Ended		6 Months Ended
	Sep. 21, 2011	Feb. 11, 2011	Sep. 30, 2012	Mar. 31, 2012	Sep. 30, 2012 Series A Preferred Stock [Member]	Sep. 30, 2011 Series A Preferred Stock [Member]	Sep. 30, 2012 Series A Preferred Stock [Member] D	Sep. 30, 2011 Series A Preferred Stock [Member]	Sep. 30, 2012 Maximum [Member] Series A Preferred Stock [Member]
Class of Stock [Line Items]
Number of shares offered	2,800,000
Sale of stock, price per share	$ 6.00
Proceeds from the offering, net of underwriter’s commissions and expenses	$ 15,525
Shares issued of the Company’s common stock to Buckeye		1,305,963
Share price, average of high and low price		$ 5.175
Preferred stock, shares authorized			1,000,000	1,000,000	1,000,000		1,000,000
Cash dividend annual rate							7.75%
Price per share basis for dividend							$ 50
Dividend rate subject to percentage increase every six months							0.50%
Potential dividend rate, maximum									12.00%
Conversion price per share					$ 6.20	$ 6.20	$ 6.20	$ 6.20
Price per share basis for conversion rate							$ 50
Conversion option rate, shares							8.065
Conversion option determination, number of trading days price per share exceeds $8.50							20
Conversion option determination, number of trading days cutoff period							30
Conversion option determination, agreed upon price per common share							$ 8.50
Preferred stock dividends			$ 11,823	$ 10,283
Effective interest rate of preferred dividends					12.00%		12.00%