Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Sep. 30, 2015	Sep. 30, 2014
Cash flows from operating activities:
Net income	$ 1,960	$ 499
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization expense	3,301	3,630
Stock-based compensation expense	2,702	2,614
Benefit for deferred income taxes	(412)	(820)
Excess tax benefit from stock-based compensation	(969)	(316)
Other non-cash items	(121)	(285)
Changes in operating assets and liabilities:
Accounts receivable, unbilled receivable, and cost in excess of billings	(12,781)	(4,303)
Inventory	(2,739)	859
Prepaid income taxes	706	83
Prepaid expenses and other current assets	3,378	(902)
Other non-current assets	37	146
Accounts payable and accrued expenses	9,913	3,544
Deferred revenues and customer advances	659	(2,561)
Other non-current liabilities	(21)	(10)
Net cash provided by operating activities	5,613	2,178
Cash flows from investing activities:
Purchases of property and equipment	(1,867)	(905)
Increase in other investing activities	(185)	0
Net cash used in investing activities	(2,052)	(905)
Cash flows from financing activities:
Proceeds from employee stock plans	629	236
Payments for Repurchase of Common Stock	(3,708)	0
Excess tax benefits from stock-based compensation	969	316
Payments of capital lease obligations	0	(160)
Net cash (used in) provided by financing activities	(2,110)	392
Effect of exchange rate changes on cash and cash equivalents	36	(76)
Net increase in cash and cash equivalents	1,487	1,589
Cash and cash equivalents at beginning of period	77,586	47,287
Cash and cash equivalents at end of period	79,073	48,876
Cash paid (received) during the period for:
Interest	2	8
Income taxes	65	374
Supplemental disclosures-non-cash activities:
Issuance of restricted stock awards to employees	$ 7,114	$ 7,052