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Process Flow-Through: 00100 - Statement - CONSOLIDATED BALANCE SHEETS Process Flow-Through: Removing column 'Sep. 19, 2014' Process Flow-Through: Removing column 'Sep. 18, 2014' Process Flow-Through: Removing column 'Dec. 31, 2012' Process Flow-Through: Removing column 'Dec. 31, 2011' Process Flow-Through: 00105 - Statement - CONSOLIDATED BALANCE SHEETS (Parenthetical) Process Flow-Through: 00200 - Statement - CONSOLIDATED STATEMENTS OF OPERATIONS Process Flow-Through: Removing column '0 Months Ended Sep. 30, 2014' Process Flow-Through: Removing column '3 Months Ended Dec. 31, 2014' Process Flow-Through: Removing column '33 Months Ended Sep. 18, 2014' Process Flow-Through: Removing column '3 Months Ended Sep. 18, 2014' Process Flow-Through: Removing column '3 Months Ended Jun. 30, 2014' Process Flow-Through: Removing column '3 Months Ended Mar. 31, 2014' Process Flow-Through: Removing column '3 Months Ended Dec. 31, 2013' Process Flow-Through: Removing column '3 Months Ended Sep. 30, 2013' Process Flow-Through: Removing column '3 Months Ended Jun. 30, 2013' Process Flow-Through: Removing column '3 Months Ended Mar. 31, 2013' Process Flow-Through: 00300 - Statement - CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS Process Flow-Through: Removing column '0 Months Ended Sep. 30, 2014' Process Flow-Through: Removing column '3 Months Ended Dec. 31, 2014' Process Flow-Through: Removing column '3 Months Ended Sep. 18, 2014' Process Flow-Through: Removing column '3 Months Ended Jun. 30, 2014' Process Flow-Through: Removing column '3 Months Ended Mar. 31, 2014' Process Flow-Through: Removing column '3 Months Ended Dec. 31, 2013' Process Flow-Through: Removing column '3 Months Ended Sep. 30, 2013' Process Flow-Through: Removing column '3 Months Ended Jun. 30, 2013' Process Flow-Through: Removing column '3 Months Ended Mar. 31, 2013' Process Flow-Through: 00305 - Statement - CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS (Parenthetical) Process Flow-Through: 00405 - Statement - CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (Parenthetical) Process Flow-Through: Removing column '0 Months Ended Sep. 19, 2014' Process Flow-Through: Removing column '9 Months Ended Sep. 18, 2014' Process Flow-Through: 00500 - Statement - CONSOLIDATED STATEMENTS OF CASH FLOWS Process Flow-Through: Removing column '33 Months Ended Sep. 18, 2014' mntg-20141231.xml mntg-20141231.xsd mntg-20141231_cal.xml mntg-20141231_def.xml mntg-20141231_lab.xml mntg-20141231_pre.xml true true