Exhibit 6

Schedule of Transactions

IRS Partnership No. 19, L.P.

Date	Number of Common Shares Bought/(Sold)		Price Per Common Share in $US
05/11/12		500		$5.56
05/11/12		187		$5.56
05/11/12		-300		$5.57
05/14/12		3,100		$5.47
05/14/12		1,000		$5.58
05/14/12		1,000		$5.57
05/14/12		1,000		$5.57
05/14/12		1,000		$5.55
05/14/12		1,000		$5.55
05/14/12		1,000		$5.55
05/14/12		1,000		$5.54
05/14/12		1,000		$5.54
05/14/12		1,000		$5.50
05/14/12		3,100		$5.47
05/14/12		-3,100		$5.47
05/14/12		1,000		$5.49
05/15/12		200,000		$5.50
05/15/12		5,000		$5.64
05/15/12		5,000		$5.62
05/15/12		5,000		$5.55
05/15/12		1,000		$5.64