STOCKHOLDERS' EQUITY (Share-based Compensation) (Details) (USD $) In Thousands, except Share data, unless otherwise specified		1 Months Ended	6 Months Ended	12 Months Ended	0 Months Ended	6 Months Ended		0 Months Ended	6 Months Ended		0 Months Ended	6 Months Ended		0 Months Ended	6 Months Ended		0 Months Ended	6 Months Ended	0 Months Ended	6 Months Ended	12 Months Ended				0 Months Ended	6 Months Ended		39 Months Ended	1 Months Ended	6 Months Ended		12 Months Ended	0 Months Ended		12 Months Ended
	Feb. 11, 2011	Jul. 31, 2008 Stock options [Member]	Sep. 30, 2012 Stock options [Member]	Mar. 31, 2009 Stock options [Member]	Oct. 13, 2009 October 13, 2009 Grants [Member]	Sep. 30, 2012 October 13, 2009 Grants [Member]	Sep. 30, 2011 October 13, 2009 Grants [Member]	Feb. 24, 2010 February 24, 2010 Grants [Member] key_executives	Sep. 30, 2012 February 24, 2010 Grants [Member]	Sep. 30, 2011 February 24, 2010 Grants [Member]	Apr. 05, 2010 April 5, 2010 Grants [Member] key_executives	Sep. 30, 2012 April 5, 2010 Grants [Member]	Sep. 30, 2011 April 5, 2010 Grants [Member]	Apr. 08, 2011 April 8, 2011 Grants [Member] key_executives	Sep. 30, 2012 April 8, 2011 Grants [Member]	Sep. 30, 2011 April 8, 2011 Grants [Member]	Apr. 11, 2012 April 11, 2012 Grants [Member] key_executives	Sep. 30, 2012 April 11, 2012 Grants [Member]	Feb. 13, 2008 Long Term Incentive Plan 2007 [Member]	Sep. 30, 2012 Long Term Incentive Plan 2007 [Member]	Mar. 31, 2012 Long Term Incentive Plan 2007 [Member]	Mar. 31, 2011 Long Term Incentive Plan 2007 [Member]	Mar. 31, 2010 Long Term Incentive Plan 2007 [Member]	Mar. 31, 2009 Long Term Incentive Plan 2007 [Member]	Jul. 31, 2008 Long Term Incentive Plan 2007 [Member] Management [Member]	Sep. 30, 2012 Long Term Incentive Plan 2007 [Member] Canadian employees [Member]	Sep. 30, 2011 Long Term Incentive Plan 2007 [Member] Canadian employees [Member]	Sep. 30, 2012 Long Term Incentive Plan 2007 [Member] Canadian employees [Member]	Feb. 29, 2008 Long Term Incentive Plan 2007 [Member] Stock options [Member]	Sep. 30, 2012 Long Term Incentive Plan 2007 [Member] Stock options [Member]	Sep. 30, 2011 Long Term Incentive Plan 2007 [Member] Stock options [Member]	Mar. 31, 2009 Long Term Incentive Plan 2007 [Member] Stock options [Member]	Nov. 16, 2009 Shares Issued in Lieu of Cash Compensation [Member]	Sep. 16, 2009 Shares Issued in Lieu of Cash Compensation [Member]	Mar. 31, 2009 Shares Issued in Lieu of Cash Compensation [Member] executive_officers
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares awarded					39,660			76,691			37,133			86,217			45,754								478,232	0	0	204,336					158,325	15,153
Share price, average of high and low price	$ 5.175				$ 3.17			$ 4.34			$ 5.32			$ 7.94			$ 8.68
Annual vesting rate					20.00%
Expense recorded						$ 13	$ 6		$ 56	$ 28		$ 33	$ 16		$ 113	$ 564		$ 223												$ 0	$ 65
Number of key executives to receive awards								2			4			6			2
Award vesting period								3 years			3 years						3 years													3 years
Number of shares authorized																				2,500,000
Number of shares available for grant																				796,078	846,647
Shares issued to non-employees																			12,909	4,815	10,722	14,007	37,144	15,948
Options expiration period																														10 years
Expected dividend rate																														0.00%
Risk free interest rate																																4.14%
Expected volatility rate																																39.49%
Expected volatility rate measurement period				P26W
Number of options outstanding																														479,785
Weighted average remaining contractual term of options outstanding			5 years 9 months
Options granted		236,586																											243,199
Number of executive officers asked to receive shares in lieu of cash compensation																																			5