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GOODWILL AND OTHER INTANGIBLE ASSETS
12 Months Ended
Feb. 29, 2016
GOODWILL AND OTHER INTANGIBLE ASSETS [Abstract]  
GOODWILL AND OTHER INTANGIBLE ASSETS

NOTE 6 – GOODWILL AND OTHER INTANGIBLE ASSETS

All goodwill shown in the accompanying consolidated balance sheets is associated with the Company's Wireless DataCom segment. Changes in goodwill are as follows (in thousands):

Year Ended February 28,
      2016       2015
Balance at beginning of year $      15,483 $      15,422
Crashboxx acquisition 1,025 -
Purchase price allocation adjustments - 61
Balance at end of year $ 16,508 $ 15,483


Other intangible assets are comprised as follows (in thousands):

Gross Accumulated Amortization Net
Amortization February 28, February 28, February 28, February 28, February 28,
      Period       2015       Additions       Retirements       2016       2015       Expense       Retirements       2016       2016       2015
Supply contract 5 years $      2,220 $      - $          - $      2,220 $      1,247 $      432 $      - $      1,679 $      541 $      973
Developed technology 2-7 years 16,151 930 (3,001 ) 14,080 7,126 2,302 (3,001 ) 6,427 7,653 9,025
Tradename 7 years 2,130 13 - 2,143 1,217 305 - 1,522 621 913
Customer lists 5-7 years 19,438 - (1,138 ) 18,300 7,949 3,547 (1,138 ) 10,358 7,942 11,489
Covenants not to compete 5 years 262 - (92 ) 170 187 33 (92 ) 128 42 75
Patents 5 years 176 97 - 273 55 7 - 62 211 121
$ 40,377 $ 1,040 $ (4,231 ) $ 37,186 $ 17,781 $ 6,626 $ (4,231 ) $ 20,176 $ 17,010 $ 22,596


Amortization expense of intangible assets was $6,626,000, $6,590,000 and $6,283,000 in fiscal years 2016, 2015 and 2014, respectively. All intangible asset amortization expense is attributable to the Wireless DataCom segment. Estimated amortization expense in future fiscal years is as follows (in thousands):

Fiscal Year      
2017 $      6,689
2018 6,235
2019 2,890
2020 882
2021 174
Thereafter 140
$ 17,010