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Fair Value of Financial Instruments
3 Months Ended
Dec. 31, 2017
Fair Value Disclosures [Abstract]  
Fair Value of Financial Instruments

4.   Fair Value of Financial Instruments

At December 31, 2017, the Company’s financial instruments included cash and cash equivalents, short-term investments, derivative instruments, trade accounts and financing receivables and accounts payable.  Due to the short-term maturities of cash and cash equivalents, trade and other receivables and accounts payable, the carrying amounts approximate fair value on the respective balance sheet dates.

The Company measures its short-term investments and derivative instruments at fair value on a recurring basis.  The fair value measurement of the Company’s short-term investments and derivative instruments was determined using the following inputs (in thousands):

 

 

 

As of December 31, 2017

 

 

 

Quoted Prices in

Active Markets for

Identical Assets

(Level 1)

 

 

Significant

Other

Observable

(Level 2)

 

 

Significant

Unobservable

(Level 3)

 

 

Totals

 

Short-term investments

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Corporate bonds

 

$

23,711

 

 

$

 

 

$

 

 

$

23,711

 

Government bonds

 

 

12,750

 

 

 

 

 

 

 

 

 

12,750

 

Total

 

$

36,461

 

 

$

 

 

$

 

 

$

36,461

 

 

 

 

As of September 30, 2017

 

 

 

Quoted Prices in

Active Markets for

Identical Assets

(Level 1)

 

 

Significant

Other

Observable

(Level 2)

 

 

Significant

Unobservable

(Level 3)

 

 

Totals

 

Short-term investments

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Corporate bonds

 

$

22,798

 

 

$

 

 

$

 

 

$

22,798

 

Government bonds

 

 

13,339

 

 

 

 

 

 

 

 

$

13,339

 

Total

 

$

36,137

 

 

$

 

 

$

 

 

$

36,137