10.	Goodwill and Intangible Assets

The Company's intangible assets include amounts recognized in connection with business acquisitions, including customer relationships, trade names, non-compete agreements and alliance agreements.

The Company reviews goodwill for impairment annually as of December 31 and whenever events or changes in circumstances indicate the carrying value of goodwill 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. After the acquisition of Hyperspring on November 14, 2014, the Company determined that it had two reporting units, which are the same as our two operating segments: (i) Performance Improvement Solutions; and (ii) Nuclear Industry Training and Consulting (which includes Hyperspring and Absolute). The change in the net carrying amount of goodwill from December 31, 2017 through June 30, 2018 was comprised of the following items:

(in thousands)

	Performance Improvement Solutions		Nuclear Industry Training and Consulting		Total
Balance, January 1, 2018	$	-	$	8,431	$	8,431
Acquisition		5,087		-		5,087
Balance, June 30, 2018	$	5,087	$	8,431	$	13,518

No events or circumstances occurred during the current reporting period that would indicate impairment of such goodwill.

Amortization of intangible assets other than goodwill is recognized on a straight-line basis over the estimated useful life of the intangible assets, except for customer relationships which are recognized in proportion to the related projected revenue streams. Intangible assets with definite lives are reviewed for impairment if indicators of impairment arise. The Company does not have any intangible assets with indefinite useful lives, other than goodwill. There were no indications of impairment of intangible assets during the current reporting period. The increase in intangible assets during the period three and six months ended June 30, 2018 was due to the acquisition of True North. See Note 4, Acquisitions for details.