Note 17 - Financial Information by Segment and Geographic Area - Summary of Financial Results for Reportable Segments (Details) - USD ($)		3 Months Ended								12 Months Ended
		Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2018		Jun. 30, 2017		Jun. 30, 2016
Revenues, Total		$ 57,552,000	$ 54,834,000	$ 52,124,000	$ 51,818,000	$ 54,253,000	$ 50,670,000	$ 53,187,000	$ 48,913,000	$ 216,328,000	[1]	$ 207,023,000	[2]	$ 209,685,000	[3]
Operating income										4,724,000		(1,044,000)		(20,445,000)
Capital expenditures and software development										5,762,000		5,836,000		8,240,000
Depreciation and amortization										7,511,000		7,026,000		7,214,000
Current assets	[4]	113,228,000				110,123,000				113,228,000		110,123,000		120,911,000
Long-lived assets	[5]	69,058,000				82,542,000				69,058,000		82,542,000		80,687,000
Restructuring charges												(988,000)
Impairment of Long-Lived Assets Held-for-use														4,114,000
North American Segment [Member]
Revenues, Total										128,442,000	[1]	124,606,000	[2]	130,108,000	[3]
Operating income										8,175,000		6,138,000		(8,311,000)
Capital expenditures and software development										3,426,000		2,765,000		5,040,000
Depreciation and amortization										4,923,000		4,551,000		4,537,000
Current assets	[4]	37,546,000				33,555,000				37,546,000		33,555,000		33,787,000
Long-lived assets	[5]	37,489,000				39,199,000				37,489,000		39,199,000		36,539,000
Restructuring charges												(82,000)
Impairment of Long-Lived Assets Held-for-use														4,114,000
International Segment [Member]
Revenues, Total										87,886,000	[1]	82,417,000	[2]	79,577,000	[3]
Operating income										2,128,000		268,000		(3,117,000)
Capital expenditures and software development										2,336,000		3,071,000		3,200,000
Depreciation and amortization										2,588,000		2,475,000		2,677,000
Current assets	[4]	60,855,000				61,961,000				60,855,000		61,961,000		62,810,000
Long-lived assets	[5]	13,010,000				14,684,000				13,010,000		14,684,000		13,995,000
Restructuring charges												(906,000)
Impairment of Long-Lived Assets Held-for-use
Unallocated [Member]
Revenues, Total											[1]		[2]		[3]
Operating income										(5,579,000)		(7,450,000)		(9,017,000)
Capital expenditures and software development
Depreciation and amortization
Current assets	[4]	14,827,000				14,607,000				14,827,000		14,607,000		24,314,000
Long-lived assets	[5]	$ 18,559,000				$ 28,659,000				$ 18,559,000		28,659,000		30,153,000
Restructuring charges
Impairment of Long-Lived Assets Held-for-use

[1] Excludes $6,468 of North American segment intercompany sales to the International segment and $14,239 intercompany sales of the International segment to the North American segment.

[2] Excludes $7,902 of North American segment intercompany sales to the International segment and $11,677 intercompany sales of the International segment to the North American segment.

[3] Excludes $8,259 of North American segment intercompany sales to the International segment and $9,282 intercompany sales of the International segment to the North American segment.

[4] Current assets primarily consist of accounts receivable, inventories and prepaid expenses. Assets not allocated to the segments include cash and cash equivalents, deferred income taxes, and other non-current assets.

[5] Long lived assets consist of property, plant and equipment, goodwill, and other intangible assets. Long term deferred and other tax assets are not allocated to the segments.