XML 71 R11.htm IDEA: XBRL DOCUMENT
v2.4.1.9

Goodwill and Intangible Assets | 12 Months Ended
--- | ---
Dec. 31, 2014
Goodwill and Intangible Assets [Abstract] |
Goodwill and Intangible Assets Disclosure [Text Block] | Goodwill and Intangible Assets The change in the carrying amount of goodwill for the years ended December 31, 2014 and 2013, was as follows (in thousands):
Balance as of December 31, 2012 | $ | — |
Goodwill acquired | 7,024 |
Balance as of December 31, 2013 | 7,024 |
Goodwill acquired | 15,717 |
Purchase accounting adjustments | 151 |
Foreign currency translation adjustments | (1,329 | )
Balance as of December 31, 2014 | $ | 21,563 |
The increase in goodwill for the year ended December 31, 2014 was primarily the result of the acquisition of Cameleon. The goodwill balance related to Cameleon is denominated in local currency. The increase in goodwill for the year ended December 31, 2013 was a result of the acquisition of SignalDemand. Intangible assets consisted of the following as of December 31, (in thousands):
|  |  | December 31, 2013
| Weighted average useful life (years) |  | Gross Carrying Amount |  | Accumulated Amortization |  | Net Carrying Amount
Developed technology | 7 |  | $ | 4,600 |  |  | $ | 27 |  |  | $ | 4,573 |
Internally developed technology | 2 |  | 160 |  |  | 3 |  |  | 157 |
Customer relationships | 8 |  | 3,500 |  |  | 37 |  |  | 3,463 |
Trade name | 2 |  | 40 |  |  | 1 |  |  | 39 |
Total |  |  | $ | 8,300 |  |  | $ | 68 |  |  | $ | 8,232 |
|  |  | December 31, 2014
| Weighted average useful life (years) |  | Gross Carrying Amount |  | Accumulated Amortization* |  | Net Carrying Amount
Developed technology | 7 |  | $ | 14,567 |  |  | $ | 2,082 |  |  | $ | 12,485 |
Internally developed technology and other | 2 |  | 1,254 |  |  | 620 |  |  | 634 |
Maintenance Relationship | 8 |  | 3,591 |  |  | 788 |  |  | 2,803 |
Customer relationships | 7 |  | 4,853 |  |  | 1,399 |  |  | 3,454 |
Trade name | 8 |  | 952 |  |  | 133 |  |  | 819 |
Total |  |  | $ | 25,217 |  |  | $ | 5,022 |  |  | $ | 20,195 |
*Cumulative foreign currency translation adjustments, reflecting movement in the currencies of the underlying entities, decreased total intangible assets by approximately $1.5 million as of December 31, 2014. Customer relationships are amortized over a period ranging from two to eight years. Trade names are amortized over a period ranging from two to eight years. Intangible asset amortization expense for the years ended December 31, 2014 and 2013 was $5.2 million and $0.1 million, respectively. As of December 31, 2014, the expected future amortization expense for the acquired intangible assets for each of the five succeeding years and thereafter was as follows (in thousands):
Year Ending December 31, |  | Amount
2015 |  | $ | 4,429 |
2016 |  | 3,254 |
2017 |  | 3,000 |
2018 |  | 3,000 |
2019 |  | 2,873 |
Thereafter |  | 3,639 |
Total amortization expense |  | $ | 20,195 |

X
- Details
Name: | pro_GoodwillandIntangibleAssetsAbstract
Namespace Prefix: | pro_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The entire disclosure for the aggregate amount of goodwill and a description of intangible assets, which may include (a) for amortizable intangible assets (also referred to as finite-lived intangible assets), the carrying amount, the amount of any significant residual value, and the weighted-average amortization period, (b) for intangible assets not subject to amortization (also referred to as indefinite-lived intangible assets), the carrying amount, and (c) the amount of research and development assets acquired and written off in the period, including the line item in the income statement in which the amounts written off are aggregated, if not readily apparent from the income statement. Also discloses (a) for amortizable intangibles assets in total and by major class, the gross carrying amount and accumulated amortization, the total amortization expense for the period, and the estimated aggregate amortization expense for each of the five succeeding fiscal years, (b) for intangible assets not subject to amortization the carrying amount in total and by major class, and (c) for goodwill, in total and for each reportable segment, the changes in the carrying amount of goodwill during the period (including the aggregate amount of goodwill acquired, the aggregate amount of impairment losses recognized, and the amount of goodwill included in the gain (loss) on disposal of a reporting unit). If any part of goodwill has not been allocated to a reportable segment, discloses the unallocated amount and the reasons for not allocating. For each impairment loss recognized related to an intangible asset (excluding goodwill), discloses: (a) a description of the impaired intangible asset and the facts and circumstances leading to the impairment, (b) the amount of the impairment loss and the method for determining fair value, (c) the caption in the income statement or the statement of activities in which the impairment loss is aggregated, and (d) the segment in which the impaired intangible asset is reported. For each goodwill impairment loss recognized, discloses: (a) a description of the facts and circumstances leading to the impairment, (b) the amount of the impairment loss and the method of determining the fair value of the associated reporting unit, and (c) if a recognized impairment loss is an estimate not finalized and the reasons why the estimate is not final. May also disclose the nature and amount of any significant adjustments made to a previous estimate of an impairment loss. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=14024403&loc=d3e13816-109267 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16373-109275 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16265-109275 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=14024403&loc=d3e13854-109267 + Details
Name: | us-gaap_GoodwillAndIntangibleAssetsDisclosureTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration