Note 6 - Impairment of Long-lived Assets

9 Months Ended

Oct. 31, 2018

Notes to Financial Statements

Asset Impairment Charges [Text Block]

Note

6

- Impairment of long-lived assets

The Company's assessment of long-lived assets, and other identifiable intangibles is based upon factors that market participants would use in accordance with the accounting guidance for the fair value measurement of assets. The Company will continue testing for potential impairment at least annually or as otherwise required by applicable accounting standards. There was

no

impairment of long-lived assets for the

three

and

nine

months ended 

October 31, 2018

and

2017

.

Goodwill.

The purchase price of an acquired company is allocated between intangible assets and the net tangible assets of the acquired business with the residual of the purchase price recorded as goodwill. All identifiable goodwill as of 

October 31, 2018

and

January 

31,

2018

was attributable to the purchase of Perma-Pipe Canada, Ltd.

	January 31, 2018		Foreign exchange change effect			October 31, 2018
Goodwill	$	2,423	$	(154	)	$	2,269

The Company performs an impairment assessment of goodwill annually as of

January 31,

or more frequently if triggering events occur, based on the estimated fair value of the related reporting unit or intangible asset. Fair value is defined as the price that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants. There was

no

impairment of goodwill for the

three

and

nine

months ended 

October 31, 2018

and

2017

.