FINANCIAL INFORMATION BY SEGMENT & GEOGRAPHIC AREA - Summary of Financial Results for Reportable Segments (Details) - USD ($)	1 Months Ended	3 Months Ended								12 Months Ended			24 Months Ended
	Jun. 30, 2020	Jun. 30, 2021	Mar. 31, 2021	Dec. 31, 2020	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2021
Segment Reporting Information [Line Items]
Net sales		$ 61,235,000	$ 54,944,000	$ 54,054,000	$ 49,411,000	$ 42,475,000	$ 49,998,000	$ 56,864,000	$ 52,114,000	$ 219,644,000	$ 201,451,000	$ 228,022,000
Goodwill and intangibles impairment										0	(6,496,000)	0
Restructuring	$ (1,600,000)									(3,664,000)	(1,580,000)	0	$ (5,200,000)
Operating (loss) income		4,700,000								16,566,000	(5,303,000)	11,221,000
Capital expenditures and software development										5,707,000	10,600,000	7,227,000
Depreciation and amortization										6,292,000	7,195,000	7,338,000
Assets, Current, Less Cash And Cash Equivalents Note Allocated to Segments	104,098,000	119,228,000				104,098,000				119,228,000	104,098,000	119,975,000	119,228,000
Current assets	104,098,000	119,220,000				104,098,000				119,220,000	104,098,000		119,220,000
Long-lived assets	68,585,000	65,011,000				68,585,000				65,011,000	68,585,000	70,112,000	65,011,000
Corporate And Reconciling Items
Segment Reporting Information [Line Items]
Net sales										0	0	0
Goodwill and intangibles impairment											0
Restructuring										0	0
Operating (loss) income										(7,399,000)	(7,090,000)	(6,209,000)
Capital expenditures and software development										0	0	0
Depreciation and amortization										0	0	0
Assets, Current, Less Cash And Cash Equivalents Note Allocated to Segments	13,458,000	9,105,000				13,458,000				9,105,000	13,458,000	15,582,000	9,105,000
Long-lived assets	21,018,000	18,818,000				21,018,000				18,818,000	21,018,000	20,306,000	18,818,000
North American Segment
Segment Reporting Information [Line Items]
Restructuring										(1,000,000)
North American Segment | Operating Segments
Segment Reporting Information [Line Items]
Net sales										119,619,000	121,834,000	136,387,000
Goodwill and intangibles impairment											(6,496,000)
Restructuring										(1,059,000)	(341,000)
Operating (loss) income										13,144,000	(2,055,000)	9,468,000
Capital expenditures and software development										3,017,000	6,992,000	3,617,000
Depreciation and amortization										4,126,000	4,942,000	5,022,000
Assets, Current, Less Cash And Cash Equivalents Note Allocated to Segments	35,030,000	39,512,000				35,030,000				39,512,000	35,030,000	41,188,000	39,512,000
Long-lived assets	34,354,000	31,006,000				34,354,000				31,006,000	34,354,000	35,638,000	31,006,000
North American Segment | Intersegment Eliminations
Segment Reporting Information [Line Items]
Net sales										4,323,000	4,040,000	4,879,000
International Segment
Segment Reporting Information [Line Items]
Restructuring										(2,600,000)
International Segment | Operating Segments
Segment Reporting Information [Line Items]
Net sales										100,025,000	79,617,000	91,635,000
Goodwill and intangibles impairment											0
Restructuring										(2,606,000)	(1,239,000)
Operating (loss) income										10,821,000	3,841,000	8,043,000
Capital expenditures and software development										2,690,000	3,608,000	6,610,000
Depreciation and amortization										2,166,000	2,253,000	2,316,000
Assets, Current, Less Cash And Cash Equivalents Note Allocated to Segments	55,610,000	70,611,000				55,610,000				70,611,000	55,610,000	63,205,000	70,611,000
Long-lived assets	$ 13,213,000	$ 15,187,000				$ 13,213,000				15,187,000	13,213,000	14,168,000	$ 15,187,000
International Segment | Intersegment Eliminations
Segment Reporting Information [Line Items]
Net sales										$ 12,765,000	$ 13,820,000	$ 16,187,000