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Investments (Tables)
 6 Months Ended
Dec. 31, 2017
Investments, Debt and Equity Securities [Abstract]  
Schedule of available-for-sale securities
The following tables summarize unrealized gains and losses related to our investments:
 
Available-for-Sale
 
December 31, 2017
(In thousands)
 
Adjusted
 
Unrealized
 
Unrealized
 
Fair
 
 
Cost
 
Gain
 
Loss
 
Value
Mutual Funds - Corporate & Government Debt
 
$
5,454

 
$
—

 
$
(54
)
 
$
5,400

Fixed Income Bonds
 
2,342

 
1

 
(7
)
 
2,336

Time Deposits
 
799

 
—

 
(2
)
 
797

Total
 
$
8,595

 
$
1

 
$
(63
)
 
$
8,533

 
 
June 30, 2017
 
 
Adjusted
 
Unrealized
 
Unrealized
 
Fair
 
 
Cost
 
Gain
 
Loss
 
Value
Mutual Funds - Corporate & Government Debt
 
$
9,104

 
$
—

 
$
(61
)
 
$
9,043

Fixed Income Bonds
 
3,048

 
—

 
—

 
3,048

Time Deposits
 
799

 
—

 
—

 
799

Total
 
$
12,951

 
$
—

 
$
(61
)
 
$
12,890

The following table presents the carrying amounts of certain financial instruments as of December 31, 2017, and June 30, 2017:

 
 
Carrying Value
 
 
Short-Term Investments
 
Long-Term Investments
(In thousands)
 
December 31, 2017
 
June 30, 2017
 
December 31, 2017
 
June 30, 2017
Mutual Funds - Corporate & Government Debt
 
$
5,400

 
$
9,043

 
$
—

 
$
—

Time deposits
 
 
 
 
 
 
 
 
Maturities from 1-90 days
 
—

 
—

 
—

 
—

Maturities from 91-360 days
 
251

 
250

 
—

 
—

Maturities over 360 days
 
—

 
—

 
546

 
549

Fixed Income Bonds
 
 
 
 
 
 
 
 
Maturities less than 1 year
 
1,627

 
1,607

 
—

 
—

Maturities from 1-3 years
 
—

 
—

 
709

 
1,441

Maturities from 3-5 years
 
—

 
—

 
—

 
—

Total
 
$
7,278

 
$
10,900

 
$
1,255

 
$
1,990
Schedule of held-to-maturity securities
The following table presents the carrying amounts of certain financial instruments as of December 31, 2017, and June 30, 2017:

 
 
Carrying Value
 
 
Short-Term Investments
 
Long-Term Investments
(In thousands)
 
December 31, 2017
 
June 30, 2017
 
December 31, 2017
 
June 30, 2017
Mutual Funds - Corporate & Government Debt
 
$
5,400

 
$
9,043

 
$
—

 
$
—

Time deposits
 
 
 
 
 
 
 
 
Maturities from 1-90 days
 
—

 
—

 
—

 
—

Maturities from 91-360 days
 
251

 
250

 
—

 
—

Maturities over 360 days
 
—

 
—

 
546

 
549

Fixed Income Bonds
 
 
 
 
 
 
 
 
Maturities less than 1 year
 
1,627

 
1,607

 
—

 
—

Maturities from 1-3 years
 
—

 
—

 
709

 
1,441

Maturities from 3-5 years
 
—

 
—

 
—

 
—

Total
 
$
7,278

 
$
10,900

 
$
1,255

 
$
1,990