CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Dec. 31, 2015	Mar. 31, 2015
ASSETS
Cash and cash equivalents	$ 30,725	$ 36,776
Short-term investments	19,381	22,201
Accounts receivable, net	8,654	8,257
Inventories	7,443	8,412
Prepaid expenses and other current assets	2,714	2,297
Total current assets	68,917	77,943
Property and equipment, net	8,921	8,708
Long-term investments	15,489	21,740
Goodwill	8,030
Other assets	6,838	498
Total assets	108,195	108,889
LIABILITIES AND STOCKHOLDERS' EQUITY
Accounts payable	2,229	2,961
Accrued expenses and other liabilities	4,369	5,937
Deferred revenue	1,942	2,815
Total current liabilities	8,540	11,713
Income taxes payable	101	780
Long term deferred income taxes	875
Other accrued expenses	6,329
Total liabilities	$ 15,845	$ 12,493
Commitments and contingencies (Note 6)
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: 22,510,419 and 23,128,372 shares, respectively	$ 23	$ 23
Additional paid-in capital	27,529	29,407
Accumulated other comprehensive income (loss)	(59)	26
Retained earnings	64,857	66,940
Total stockholders' equity	92,350	96,396
Total liabilities and stockholders' equity	$ 108,195	$ 108,889