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OTHER FINANCIAL INFORMATION
3 Months Ended
May 31, 2017
OTHER FINANCIAL INFORMATION [Abstract]  
OTHER FINANCIAL INFORMATION

NOTE 12 – OTHER FINANCIAL INFORMATION

Supplemental Balance Sheet Information

Other current liabilities consist of the following (in thousands):

        May 31,       February 28,
2017 2017
Warranty reserves $            6,394 $            6,518
Litigation reserve 16,219 10,144
Other 6,924 8,296
$ 29,537 $ 24,958

Other non-current liabilities consist of the following (in thousands):

      May 31,       February 28,
2017 2017
Deferred compensation plan liability $            5,130 $            5,825
Deferred revenue 12,250 12,257
Deferred rent 319 378
Acquisition-related contingent consideration 665 636
Other 1,218 1,133
$ 19,582 $ 20,229

The acquisition-related contingent consideration is comprised of the estimated earn-out payable to the sellers of Crashboxx, which the Company acquired in 2015.

Supplemental Statement of Operations Information

Investment income consists of the following (in thousands):

      Three Months Ended
May 31,
  2017       2016
Investment income on cash equivalents and marketable securities $              160 $              176
Investment income on deferred compensation plan Rabbi Trust assets 122 277
Other investment income 51 -
Total investment income $ 333 $ 453

Interest expense consists of the following (in thousands):

      Three Months Ended
May 31,
2017       2016
Interest expense on convertible senior unsecured notes:

Stated interest at 1.625% per annum

$        701 $        701

Amortization of note discount

1,610 1,507

Amortization of debt issue costs

206 192
2,517 2,400
Other interest expense 1 24
Total interest expense $ 2,518 $ 2,424

Supplemental Cash Flow Information

“Net cash provided by operating activities” includes cash payments for interest expense and income taxes as follows (in thousands):

      Three Months Ended
  May 31,
2017       2016
Interest expense paid $        1,440 $        1,449
Income taxes paid $ 41 $ 67