Consolidated Statement of Redeemable Non-Controlling Interest and Stockholders' Equity (USD $) In Thousands, except Share data, unless otherwise specified	Total USD ($)	Contingent Convertible Preferred Stock [Member] USD ($)	Redeemable Preferred Stock, Series A-1 [Member]	Convertible A-1 and A-2 Preferred Stock [Member] USD ($)	Redeemable Common Stock [Member] USD ($)	Parent [Member] USD ($)	Parent [Member] Contingent Convertible Preferred Stock [Member] USD ($)	Parent [Member] Convertible A-1 and A-2 Preferred Stock [Member] USD ($)	Parent [Member] Class A Preferred Units [Member] USD ($)	Parent [Member] Redeemable Common Stock [Member] USD ($)	Common Stock [Member] USD ($)	Common Stock [Member] Convertible A-1 and A-2 Preferred Stock [Member] USD ($)	Common Stock [Member] Class A Preferred Units [Member] USD ($)	Common Stock [Member] Redeemable Common Stock [Member]	Additional Paid-in Capital [Member] USD ($)	Additional Paid-in Capital [Member] Contingent Convertible Preferred Stock [Member] USD ($)	Additional Paid-in Capital [Member] Convertible A-1 and A-2 Preferred Stock [Member] USD ($)	Additional Paid-in Capital [Member] Class A Preferred Units [Member] USD ($)	Additional Paid-in Capital [Member] Redeemable Common Stock [Member] USD ($)	Treasury Stock [Member] USD ($)	Accumulated Other Comprehensive Loss [Member] USD ($)	Accumulated Deficit [Member] USD ($)	Non-Controlling Interest [Member] USD ($)	Non-Controlling Interest [Member] Class A Preferred Units [Member] USD ($)	Redeemable Preferred Stock, Series A-1 [Member] USD ($)	Redeemable Preferred Stock, Series A-1 [Member] Convertible A-1 and A-2 Preferred Stock [Member] USD ($)	Redeemable Common Stock [Member] USD ($)	Redeemable Common Stock [Member] USD ($)	Redeemable Non-Controlling Interest [Member] USD ($)	Follow On Public Offering [Member] USD ($)	Follow On Public Offering [Member] Parent [Member] USD ($)	Follow On Public Offering [Member] Common Stock [Member] USD ($)	Follow On Public Offering [Member] Additional Paid-in Capital [Member] USD ($)	IPO [Member] USD ($)	IPO [Member] Parent [Member] USD ($)	IPO [Member] Common Stock [Member] USD ($)	IPO [Member] Additional Paid-in Capital [Member] USD ($)
Stockholders' equity, beginning balance at Sep. 30, 2011	$ (36,422)	$ 1				$ (36,422)					$ 9				$ 94,124					$ (5,231)		$ (125,325)
Redeemable, beginning balance at Sep. 30, 2011																									39,762
Redeemable, beginning balance (shares) at Sep. 30, 2011																									1,015,000
Shares outstanding, beginning balance at Sep. 30, 2011		805,000									8,544,000
Stock issued during the period, Warrants exercised											26,000
Changes in Redeemable Securities
Accretion to redemption value																									3,373
Other comprehensive loss	(2,866)
Changes Stockholders' Equity
Share-based compensation	2,676					2,676									2,676
Warrants issued with debt issuance	1,660					1,660									1,660
Beneficial conversion feature on debt issuance	140					140									140
Deferred tax liability on beneficial conversion feature	(160)					(160)									(160)
Acquisition of Submittal Exchange Holdings	12,548																						12,548
Redeemable Series A-1 preferred accretion	3,373					3,373									3,373
Proceeds from exercise of stock options and warrants to purchase common stock	322					322									322
Net loss	(18,793)					(15,927)																(15,927)	(2,866)
Stockholders' equity, beginning balance at Sep. 30, 2012	(41,402)	1				(51,084)					9				95,389					(5,231)		(141,252)	9,682
Redeemable, ending balance at Sep. 30, 2012																									43,135
Redeemable, beginning balance (shares) at Sep. 30, 2012			1,015,000																						1,015,000
Shares outstanding, ending balance at Sep. 30, 2012		805,000									8,570,000
Changes in Redeemable Securities
Accretion to redemption value																									3,549				325
Investment in Textura Australasia, Pty Ltd	407
Acquisition of PlanSwift, shares																											539,000
Acquisition of PlanSwift																											7,898
Conversion of A-1 preferred stock, shares																										(1,015,000)		(7,898,000)
Conversion from temporary to permanent equity																										(46,684)		(539)
Net loss																													(341)
Other comprehensive loss	(2,756)
Changes Stockholders' Equity
Share-based compensation	12,628					12,628									12,628
Stock Issued During the Period, Options and Warrants Exercised											143,000
Stock Issued During the Period, Value, Options and Warrants Exercised	1,815					1,815									1,815
Redeemable Series A-1 preferred accretion	3,549					3,549									3,549
Exercise of Series A-2 preferred stock warrants		412					412									412
Issuance of common stock in connection with IPO, net of offering costs, shares		59,000																														1,687,000				5,750,000
Stock issued during period, value																														59,779	59,779	2	59,777	77,709	77,709	6	77,703
Stock Issued During Period, Shares, Conversion of Convertible Securities											1,269,000
Conversion of units	19,035					19,035					1				19,034
Conversion of units, shares		(864,000)										5,748,000	963,000	539,000
Stock Issued During Period, Value, Conversion of Units		(1)		46,689	7,898			46,689	7,283	7,898		6	1				46,684	7,282	7,898					(7,283)
Fair value of warrants reclassified to equity upon IPO	435					435									435
Repurchase of common shares at cost	600					600														600
Repurchase of common shares at cost, shares											40,000
Issuance of warrant to purchase 7,500 shares of common stock	202
Net loss	(39,283)					(36,884)																(36,884)	(2,399)
Redeemable non-controlling interest accretion	(323)					(323)									(323)
Temporary Equity, Foreign Currency Translation Adjustments																													(18)
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax	(23)					(23)															(23)
Stockholders' equity, beginning balance at Sep. 30, 2013	141,422					141,422					25				325,387					(5,831)	(23)	(178,136)
Redeemable, ending balance at Sep. 30, 2013																													373
Shares outstanding, ending balance at Sep. 30, 2013											24,629,000
Stock Issued During Period, Value, Stock Options Exercised	1,648					1,648									1,648
Stock issued during the period, Warrants exercised											33,000
Changes in Redeemable Securities
Accretion to redemption value																													70
Net loss																													(79)
Other comprehensive loss	(88)
Changes Stockholders' Equity
Share-based compensation	1,583					1,583									1,583
Repurchase of common shares at cost	0
Proceeds from exercise of stock options and warrants to purchase common stock	525					525									525
Net loss	(6,597)					(6,597)																(6,597)
Redeemable non-controlling interest accretion	(70)					(70)									(70)
Stock Issued During Period, Stock Options Exercised											123,000
Temporary Equity, Foreign Currency Translation Adjustments																													(9)
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax	(26)					(26)															(26)
Stockholders' equity, beginning balance at Dec. 31, 2013	138,485					138,485					25				329,073					(5,831)	(49)	(184,733)
Redeemable, ending balance at Dec. 31, 2013																													355
Redeemable, beginning balance (shares) at Dec. 31, 2013			0
Shares outstanding, ending balance at Dec. 31, 2013											24,785,000
Stock Issued During Period, Value, Stock Options Exercised	3,690					3,690									3,690
Stock issued during the period, Warrants exercised											39,000
Changes in Redeemable Securities
Accretion to redemption value																													199
Net loss																													(169)
Other comprehensive loss	(176)
Changes Stockholders' Equity
Share-based compensation	8,375					8,375									8,375
Repurchase of common shares at cost	0
Adjustments to Additional Paid in Capital, NCI Redemption	(1,185)					1,185									1,185
Proceeds from exercise of stock options and warrants to purchase common stock	590					590									590
Net loss	(24,686)					(24,686)																(24,686)
Redeemable non-controlling interest accretion	(199)					(199)									(199)
Temporary Equity, NCI Redemption																													(378)
Stock Issued During Period, Stock Options Exercised											281,000
Stock Issued During Period, Shares, Restricted Stock Award, Gross	1,000					1,000					480,000
Stock Issued During Period, Value, Restricted Stock Award, Gross											1
Stock Issued During Period, Shares, Employee Stock Purchase Plans											3,000
Stock Issued During Period, Value, Employee Stock Purchase Plan	67					67														67
Temporary Equity, Foreign Currency Translation Adjustments																													(7)
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax	(291)					(291)															(291)
Stockholders' equity, beginning balance at Dec. 31, 2014	120,688					120,688					26				340,344					(9,923)	(340)	(209,419)
Redeemable, ending balance at Dec. 31, 2014																													0
Redeemable, beginning balance (shares) at Dec. 31, 2014			0
Shares outstanding, ending balance at Dec. 31, 2014											25,588,000
Stockholders' equity, beginning balance at Sep. 30, 2014
Changes Stockholders' Equity
Repurchase of common shares at cost, shares	4,159,000					(4,159,000)														(4,159,000)
Stockholders' equity, beginning balance at Dec. 31, 2014	$ 120,688					$ 120,688														$ (9,923)
Redeemable, beginning balance (shares) at Dec. 31, 2014			0