6. FINANCIAL INSTRUMENTS (Tables)

3 Months Ended

Jun. 30, 2018

FINANCIAL INSTRUMENTS

Schedule of fair value of financial assets measured on a recurring basis

The fair value of financial assets measured on a recurring basis is as follows (in thousands):

			Fair Value Measurements at Reporting Date Using
			Quoted Prices
			in Active		Significant
			Markets for		Other		Significant
			Identical Assets		Observable		Unobservable
			and Liabilities		Inputs		Inputs
	June 30, 2018		(Level 1)		(Level 2)		(Level 3)
Assets:
Money market funds	$	6,071	$	6,071	$	—	$	—
Marketable securities		28,087		—		28,087		—
Total	$	34,158	$	6,071	$	28,087	$	—
Liabilities:
Contingent consideration	$	5,550	$	—	$	—	$	5,550

			Fair Value Measurements at Reporting Date Using
			Quoted Prices
			in Active		Significant
			Markets for		Other		Significant
			Identical Assets		Observable		Unobservable
			and Liabilities		Inputs		Inputs
	March 31, 2018		(Level 1)		(Level 2)		(Level 3)
Assets:
Money market funds	$	6,788	$	6,788	$	—	$	—
Marketable securities		26,047		—		26,047		—
Total	$	32,835	$	6,788	$	26,047	$	—
Liabilities:
Contingent consideration	$	5,514	$	—	$	—	$	5,514

Schedule of available-for-sale investments

	June 30, 2018
			Gross		Gross
			Unrealized		Unrealized		Fair
	Cost		Gains		Losses		Value
	(In thousands)
Short-term investments:
Certificates of deposit	$	10,251	$	—	$	(42)	$	10,209
Foreign government obligations		5,968		—		(11)		5,957
Total short-term investments	$	16,219	$	—	$	(53)	$	16,166
Long-term investments:
Certificates of deposit	$	9,250	$	—	$	(79)	$	9,171
Agency bonds		1,502		—		(4)		1,498
Foreign government obligations		1,255		—		(3)		1,252
Total long-term investments	$	12,007	$	—	$	(86)	$	11,921

	March 31, 2018
			Gross		Gross
			Unrealized		Unrealized		Fair
	Cost		Gains		Losses		Value
	(In thousands)
Short-term investments:
Agency bonds	$	3,996	$	—	$	(1)	$	3,995
Foreign government obligations		5,428		—		(21)		5,407
Certificates of deposit		8,750		—		(28)		8,722
Total short-term investments	$	18,174	$	—	$	(50)	$	18,124
Long-term investments:
Certificates of deposit	$	8,000	$	—	$	(77)	$	7,923
Total long-term investments	$	8,000	$	—	$	(77)	$	7,923

Schedule of contractual maturities of the available-for-sale investments

			Fair
	Cost		Value
	(In thousands)
Maturing within one year	$	16,219	$	16,166
Maturing in one to three years		12,007		11,921
	$	28,226	$	28,087