Short-term Investments

9 Months Ended

Jun. 30, 2019

Investments Debt And Equity Securities [Abstract]

Short-term Investments

4.   Short-term Investments

The Company classifies its short-term investments as available-for-sale securities.  Available-for sale securities are carried at fair market value with net unrealized holding gains and losses reported as a component of accumulated other comprehensive loss in stockholders’ equity.

During the three and nine months ended June 30, 2019, the Company realized gains (losses) of $1,000 and $(66,000), respectively, from the sale of short-term investments.   During the three and nine months ended June 30, 2018, the Company realized losses of zero and $1,000, respectively, from the sale of short-term investments.  Realized gains and losses are recorded in Other Income (Expense) on the consolidated statements of operations.  The Company’s short-term investments were composed of the following (in thousands):

	As of September 30, 2018 (in thousands)
	Amortized Cost		Unrealized Gains		Unrealized Losses			Estimated Fair Value
Short-term investments:
Corporate bonds	$	17,851	$	—	$	(60	)	$	17,791
Government bonds		7,702		—		(22	)		7,680
Total	$	25,553	$	—	$	(82	)	$	25,471

The Company had no short-term investments at June 30, 2019