Note 1 - Summary of Significant Accounting Policies (Tables)

12 Months Ended

Jun. 30, 2013

Accounting Policies [Abstract]

Schedule of Product Warranty Liability [Table Text Block]

(amounts in thousands)
Balance as of July 1, 2011	$	277
Additions		204
Costs incurred		(226	)
Adjustments		(74	)
Balance as of June 30, 2012		181
Additions		533
Costs incurred		(508	)
Adjustments		(36	)
Balance as of June 30, 2013	$	170

Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]

	For the Years Ended
	2013		2012		2011
(amounts in thousands)
Numerator:
Earnings available to common stockholders	$	15,056	$	8,614	$	16,401
Denominator:
Denominator for basic earnings per share outstanding		12,687		14,050		13,988
Denominator for diluted earnings per share:
Weighted average shares outstanding		12,687		14,050		13,988
Common stock options and restricted stock		594		652		758
Weighted average shares		13,281		14,702		14,746

Schedule of Cash Flow, Supplemental Disclosures [Table Text Block]

	For the Years Ended June 30,
	2013		2012		2011
(amounts in thousands)
Cash paid during the year for:
Interest	$	104	$	232	$	458
Taxes paid (net of refunds)	$	747	$	1,514	$	6,886