Acquisitions (Narrative) (Details) (USD $)	3 Months Ended	12 Months Ended		3 Months Ended	1 Months Ended	12 Months Ended	0 Months Ended	11 Months Ended		0 Months Ended				0 Months Ended		1 Months Ended	12 Months Ended	1 Months Ended
	Sep. 30, 2013	Sep. 30, 2013	Jun. 12, 2013	Sep. 30, 2013 PlanSwift, LLC [Member] unitholder	Oct. 19, 2011 GradeBeam, LLC [Member]	Sep. 30, 2012 GradeBeam, LLC [Member]	Nov. 07, 2011 Submittal Exchange [Member]	Sep. 30, 2012 Submittal Exchange [Member]	Jan. 31, 2013 Submittal Exchange [Member] Class A Preferred Units [Member]	Nov. 07, 2011 Submittal Exchange [Member] Class A common units [Member]	Nov. 07, 2011 Submittal Exchange [Member] Submittal Exchange Holdings [Member]	Nov. 07, 2011 Submittal Exchange [Member] Submittal Exchange Holdings [Member] Other Than Liquidation Matters [Member]	Nov. 07, 2011 Submittal Exchange [Member] Submittal Exchange Holdings [Member] Liquidation Matters [Member]	Nov. 07, 2011 Submittal Exchange [Member] Submittal Exchange Holdings [Member] Preferred Class A [Member]	Nov. 07, 2011 Submittal Exchange [Member] Submittal Exchange Holdings [Member] Class A Preferred Units [Member]	Jan. 31, 2013 PlanSwift, LLC [Member] Installments	Sep. 30, 2013 PlanSwift, LLC [Member]	Jan. 31, 2013 PlanSwift, LLC [Member] Technology [Member]	Jan. 31, 2013 PlanSwift, LLC [Member] Customer Relationships [Member]	Jan. 31, 2013 PlanSwift, LLC [Member] Escrow [Member]	Nov. 07, 2011 Submittal Exchange Holdings [Member]	Jun. 12, 2013 IPO [Member] Submittal Exchange [Member] Preferred Class A [Member]
Business Acquisition [Line Items]
Cash consideration					$ 9,969		$ 2,404,000				$ 2,404					$ 989,000
Number of units acquired										85
Shares issued in acquisition							482,000							482		539,000				81,000
Voting interests acquired							100.00%				18.30%	100.00%	15.00%
Capital account basis threshold after pro-rata allocation of distributions and profits or losses for additional allocation											0
Percentage used to determine allocation of distributions and profits											99.00%				1.00%
Shares converted into stock																						963,000
Payment of Submittal Exchange's notes payable							403,000				403					1,214,000
Shares converted into stock									0.5													0.50
Intangible assets acquired, useful life																		3 years	5 years
Holding period for escrow																18 months
Number of installments for escrow																2
Payment of working capital adjustment payable																	1,296,000
Imputed interest																	82,000
Repurchase common stock, period	10 days
Number of unitholders that can repurchase common stock				1
Potential repurchase of common stock																	1,500,000
Shares redeemed				40,000
Stock repurchased during initial public offering, value		600,000		600,000
Offering price per share			$ 15.00
Redemption rate for conversion of debt																0.333
Share price							$ 26.05														$ 26.05
Revenue from acquisition						$ 2,072,000		$ 2,812,000									$ 4,181,000