Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2013
Components of income before provision for income taxes [Abstract]
United States	$ 294	$ 3,930	$ 4,979
Foreign	46	1,167	(362)
Income before provision for income taxes	340	5,097	4,617
Current [Abstract]
Federal	29	78	128
State	5	28	151
Foreign	405	438	90
Total, Current	439	544	369
Deferred [Abstract]
Federal	71	(12,338)	0
State	140	(1,361)	0
Foreign	35	(253)	0
Total, Deferred	246	(13,952)	0
Provision (benefit) for income taxes	685	(13,408)	369
Effective Income Tax Rate Reconciliation, Amount [Abstract]
Income before provision (benefit) for income taxes	340	5,097	4,617
Provision at Federal statutory rate	116	1,733	1,570
Change in valuation allowance	31	(15,859)	(5,444)
Permanent differences	80	350	22
Net operating loss expiration and adjustment	365	13	4,801
Change in state tax rates	31	(21)	0
Change in foreign tax rates	27	43	0
Change in uncertainty in income taxes	23	21	16
Foreign rate differential	(3)	(40)	23
State and foreign tax expense	40	145	194
Stock option classification change due to repricing	0	0	(653)
Other	(25)	207	(160)
Provision (benefit) for income taxes	685	(13,408)	369
Deferred tax assets related to [Abstract]
U.S. and foreign net operating loss carryforwards	41,339	43,230
Book and tax basis differences for property and equipment	742	563
Bad debt, warranty and inventory reserves	672	707
Accrued compensation	943	944
Deferred revenue	395	596
U.S. credit carryforwards	561	549
Stock compensation	798	992
Other	1,181	1,076
Deferred tax assets	46,631	48,657
Valuation allowance	(32,435)	(33,851)
Total deferred tax assets	14,196	14,806
Deferred tax liabilities related to [Abstract]
Acquired intangibles	63	117
Total deferred tax liabilities	63	117
Deferred income taxes, net	14,133	14,689
Operating Loss Carryforwards [Line Items]
Deferred tax assets, current	1,422	1,458
Deferred tax assets, noncurrent	12,711	13,231
U.S. Federal net operating loss carryforwards, income tax purposes	92,826
Net operating loss carryforwards, amount to expire	0
Alternative minimum tax credit	383
Research and development credit carryforward	140
U.S. Federal net operating loss carryforwards	92,826
Net operating loss	11,189
Research and development credits	140
Valuation allowances for deferred tax assets	32,435	33,851
Change in valuation allowance	(1,416)
Increase due to creation of deferred tax assets	304
Decrease due to expiration and adjustment of domestic net operating loss carryforwards	300
(Increase) Decrease due to exchange rate changes and the effect of unrealized gains/losses	(1,447)
Increase due to miscellaneous adjustment of prior year deferred tax amounts	$ 13
Alternative minimum tax as percentage of earnings before income taxes, and state taxes in various jurisdictions (in hundredths)	2.00%
Reconciliation of unrecognized tax benefits
Balance	$ 297	154
Additions based on tax positions related to the current year	0	0
Additions for tax positions of prior years	0	143
Reductions for tax positions for prior year	0	0
Reductions for lapse in statute of limitations	0	0
Settlements	0	0
Balance	297	297	$ 154
Unrecognized tax benefits	248
Interest	23
Penalties	0
Accrued interest	258	236
Accrued penalties	88	88
State [Member]
Operating Loss Carryforwards [Line Items]
Operating loss carryforward	52,310
Decrease due to release of valuation allowance, deferred tax asset		13,699
Foreign [Member]
Operating Loss Carryforwards [Line Items]
Operating loss carryforward	28,153
Decrease due to release of valuation allowance, deferred tax asset		$ 214
(Increase) Decrease due to exchange rate changes and the effect of unrealized gains/losses	14
Federal [Member] | 2020 [Member]
Operating Loss Carryforwards [Line Items]
Operating loss carryforward	$ 14,218
Operating loss carryforward expiration date	Jun. 30, 2020
Federal [Member] | 2021 [Member]
Operating Loss Carryforwards [Line Items]
Operating loss carryforward	$ 17,017
Operating loss carryforward expiration date	Jun. 30, 2021
Research and Development [Member]
Operating Loss Carryforwards [Line Items]
Carryforward period	20 years