CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Jun. 30, 2017	Mar. 31, 2017
ASSETS
Cash and cash equivalents	$ 31,871	$ 33,736
Short-term investments	17,220	16,199
Accounts receivable, net	6,162	6,349
Inventories	8,751	9,211
Prepaid expenses and other current assets	2,651	2,777
Total current assets	66,655	68,272
Property and equipment, net	7,615	7,689
Long-term investments	14,096	12,898
Goodwill	7,978	7,978
Intangible assets, net	3,224	3,302
Other assets	1,902	2,456
Total assets	101,470	102,595
LIABILITIES AND STOCKHOLDERS' EQUITY
Accounts payable	1,977	1,627
Accrued expenses and other liabilities	5,050	7,051
Deferred revenue	2,043	1,796
Total current liabilities	9,070	10,474
Income taxes payable	247	244
Deferred income taxes	18	15
Other accrued expenses	5,515	5,418
Total liabilities	14,850	16,151
Commitments and contingencies (Note 7)
Stockholders' equity:
Preferred stock: $0.001 par value authorized: 5,000,000 shares; issued and outstanding: none
Common Stock: $0.001 par value authorized: 150,000,000 shares; issued and outstanding: 21,010,078 and 20,612,757 shares, respectively	21	21
Additional paid-in capital	24,119	21,830
Accumulated other comprehensive loss	(68)	(62)
Retained earnings	62,548	64,655
Total stockholders' equity	86,620	86,444
Total liabilities and stockholders' equity	$ 101,470	$ 102,595

Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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Balance Type:	credit
Period Type:	instant

- Definition

Amount due from customers or clients, within one year of the balance sheet date (or the normal operating cycle, whichever is longer), for goods or services (including trade receivables) that have been delivered or sold in the normal course of business, reduced to the estimated net realizable fair value by an allowance established by the entity of the amount it deems uncertain of collection.