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Goodwill and Intangible Assets
6 Months Ended
Jun. 30, 2016
Goodwill and Intangible Assets [Abstract]  
Goodwill and Intangible Assets
7.Goodwill and Intangible Assets

Goodwill

The Company reviews goodwill for impairment annually as of December 31 and whenever events or changes in circumstances indicate the carrying value of an asset may not be recoverable.  The Company tests goodwill at the reporting unit level.  A reporting unit is an operating segment, or one level below an operating segment, as defined by U.S. GAAP.  The Company's reporting units are: (i) Performance Improvement Solutions and (ii) Nuclear Industry Training and Consulting.  As of June 30, 2016, and December 31, 2015, the $5.6 million of goodwill balance originated from the Hyperspring acquisition in 2014 and is assigned to the Nuclear Industry Training and Consulting segment.  No events or circumstances occurred during the current reporting period that would indicate impairment of goodwill.

Intangible Assets Subject to Amortization

The Company's intangible assets include amounts recognized in connection with business acquisitions, including contractual customer relationships, contract backlog, and technology.  Intangible assets are initially valued at fair market value using generally accepted valuation methods appropriate for the type of intangible asset.  Amortization is recognized on a straight-line basis over the estimated useful life of the intangible assets, except for contract backlog and contractual customer relationships which are recognized in proportion to the related projected revenue streams.  The Company reviews specific definite-lived intangible assets for impairment when events occur that may impact their value in accordance with the respective accounting guidance for long-lived assets.