Business Combination (Tables)

12 Months Ended

Dec. 31, 2014

Business Acquisition, Pro Forma Information [Table Text Block]

The unaudited financial information in the table below summarizes the combined results of operations of the Company, Cameleon and SignalDemand, on a pro forma basis, as though the Company had acquired Cameleon and SignalDemand on January 1, 2013. In addition, the unaudited financial information in the table below includes the effect of SignalDemand as if it had occurred as of January 1, 2012. The pro forma information for all periods presented also includes the effect of business combination accounting resulting from the acquisition, including amortization charges from acquired intangible assets.



	Year Ended December 31,
(in thousands)	2014			2013			2012
Total revenue	$	186,081		$	168,974		$	120,345
Net loss attributable to PROS Holdings, Inc.	(36,776		)	(3,647		)	(3,252		)
Earnings per share - basic and diluted	$	(1.27	)	$	(0.13	)	$	(0.12	)

Schedule of Purchase Price Allocation [Table Text Block]



Current assets	$	881
Deferred tax asset - current	2,752
Noncurrent assets	193
Intangibles	8,300
Goodwill	7,175
Deferred tax asset - noncurrent	2,447
Accounts payable and accrued liabilities	(1,560		)
Deferred revenue	(6,688		)
	$	13,500

Schedule of Finite-Lived Intangible Assets Acquired as Part of Business Combination [Table Text Block]

The following are the identifiable intangible assets acquired and their respective useful lives:



			Useful Life
	Amount		(years)
Developed technology	$	4,600	7
Internally developed technology	160		2
Customer relationships	3,500		8
Trade name	40		2
Total	$	8,300