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Short-term Investments
 9 Months Ended
Jun. 30, 2017
Investments Debt And Equity Securities [Abstract]  
Short-term Investments

2.   Short-term Investments

 

 

 

As of June 30, 2017 (in thousands)

 

 

 

Amortized Cost

 

 

Unrealized Gains

 

 

Unrealized Losses

 

 

Estimated Fair

Value

 

Short-term investments

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Corporate bonds

 

$

23,756

 

 

$

—

 

 

$

(45

)

 

$

23,711

 

Government bonds

 

 

12,785

 

 

 

—

 

 

 

(35

)

 

 

12,750

 

Total

 

$

36,541

 

 

$

—

 

 

$

(80

)

 

$

36,461

 

 

 

 

As of September 30, 2016 (in thousands)

 

 

 

Amortized Cost

 

 

Unrealized Gains

 

 

Unrealized Losses

 

 

Estimated Fair

Value

 

Short-term investments

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Corporate bonds

 

$

17,342

 

 

$

—

 

 

$

(19

)

 

$

17,323

 

Government bonds

 

 

10,169

 

 

 

—

 

 

 

(1

)

 

 

10,168

 

Total

 

$

27,511

 

 

$

—

 

 

$

(20

)

 

$

27,491

 

 

Accumulated other comprehensive loss on the consolidated balance sheets at June 30, 2017 and September 30, 2016 included unrealized losses (net of tax) of $61,000 and $12,000, respectively.

 

The Company’s short-term investments have contractual maturities ranging from August 2017 to March 2019.