CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income (loss)	$ (8,547)	$ 4,659
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation and amortization	10,857	9,769
Stock-based compensation expense	5,493	4,932
Amortization of premium on investments	193	70
Loss on disposal of property and equipment	20	0
Provision for doubtful accounts receivable	67	102
Changes in assets and liabilities, net of the effect of business acquisitions:
Accounts receivable	7,137	7,815
Inventories	(3,294)	1,010
Prepaid expenses and other current assets	2,112	1,548
Other assets	(128)	(76)
Accounts payable	(519)	(2,175)
Accrued liabilities and other	(6,514)	(1,844)
Accrued employee compensation	(4,740)	1,217
Accrued taxes and surcharges	179	(5,608)
Deferred revenue	(271)	1,791
Net cash provided by operating activities	2,045	23,210
CASH FLOWS FROM INVESTING ACTIVITES:
Purchases of property and equipment	(5,994)	(5,736)
Purchases of investments	(15,618)	(7,776)
Proceeds from sales/maturities of investments	12,604	5,686
Cost of acquisition of businesses, net of cash acquired	0	(5,886)
Net cash used in investing activities	(9,008)	(13,712)
CASH FLOWS FROM FINANCING ACTIVITIES:
Proceeds from issuance of common stock	3,342	6,352
Taxes paid related to net share settlement of vested and released restricted stock units	(1,349)	(1,083)
Repurchases of common stock	(2,298)	0
Payments made under capital leases	(14)	(24)
Net cash provided by (used in) financing activities	(319)	5,245
NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS	(7,282)	14,743
CASH AND CASH EQUIVALENTS - Beginning of period	61,726	82,162
CASH AND CASH EQUIVALENTS - End of period	54,444	96,905
SUPPLEMENTAL CASH FLOW DISCLOSURE:
Cash paid for interest	9	14
Cash paid for taxes	514	804
NONCASH INVESTING AND FINANCING ACTIVITIES:
Unpaid portion of property and equipment purchases included in period-end accruals	$ 864	$ 211