Restricted Stock Units(1)
Restricted Stock Units(2)
Restricted Stock Units(3)
Restricted Stock Units(4)
Date of award:
October 2015
October 2016
October 2017
October 2018
Original number of awards issued:
13,250
13,000
13,000
15,050
Service period:
36 - 60 months
36 months
36 months
36 months
Estimated fair value of award at grant date:
$1,112,000
$1,191,000
$1,177,000
$ 1,264,000
Non-vested awards outstanding at
September 30, 2019:
100
4,334
8,667
15,050
Fair value of non-vested awards at
September 30, 2019 of approximately:
$8,000
$330,000
$661,000
$ 1,148,000
restricted stock units .
at september 2019 the compensation committee of the board of directors had authorized and approved the following restricted stock unit awards to members of the company ’ s management team pursuant to the provisions of the company ’ s omnibus plans : at september 2019 the compensation committee of the board of directors had authorized and approved the following restricted stock unit awards to members of the company ’ s management team pursuant to the provisions of the company ’ s omnibus plans : .
-1 13150 of the restricted stock units were vested as of september 2019 .
the remaining 100 restricted stock units will vest in equal amounts in october 2019 and october 2020 .
-2 8666 of the restricted stock units were vested as of september 2019 .
the remaining 4334 restricted stock units will vest in october 2019 .
-3 4333 of the restricted stock units were vested as of september 2019 .
4333 restricted stock units will vest in october 2019 and 4334 will vest in october 2020 .
-4 the 15050 restricted stock units will vest in equal amounts in october 2019 october 2020 and october 2021 .
there is no direct cost to the recipients of the restricted stock units except for any applicable taxes .
the recipients of the restricted stock units are entitled to the customary adjustments in the event of stock splits stock dividends and certain other distributions on the company ’ s common stock .
all cash dividends and / or distributions payable to restricted stock recipients will be held in escrow until all the conditions of vesting have been met .
the restricted stock units provide that the recipients can elect at their option to receive either common stock in the company or a cash settlement based upon the closing price of the company ’ s shares at the time of vesting .
based on these award provisions the compensation expense recorded in the company ’ s statement of operations reflects the straight-line amortized fair value based on the liability method under “ asc 718 – compensation – stock compensation ” .
net income before income taxes included compensation expense related to the amortization of the company ’ s restricted stock unit awards of approximately $ 1 .
2 million during both fiscal 2019 and fiscal 2018 .
these amounts were recorded as accrued expenses in the company ’ s consolidated balance sheet at both september 2019 and september 2018 .
the tax benefit related to this compensation expense was approximately $ 0 .
3 million in both fiscal 2019 and fiscal 2018 .
the total intrinsic value of restricted stock units vested during fiscal 2019 and fiscal 2018 was approximately $ 1 .
1 million and $ 1 .
2 million respectively .

Question: What is the percentage change in the number of restricted stock units originally issued in October 2015 and 2016?
Answer: -1.89