Geographical Data - Additional Information (Details) - USD ($)	Sep. 30, 2019	Jun. 30, 2019
Revenues from External Customers and Long-Lived Assets [Line Items]
Inventories	$ 31,140,000	$ 29,576,000
Fixed assets	7,580,000	7,694,000
Dominican Republic [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Inventories	24,232	22,549
Fixed assets	$ 11,064	$ 3,443

Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
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-Subparagraph (SX 210.5-02(14))
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
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-Subparagraph (SX 210.7-03(a)(8))
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Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
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-Name Accounting Standards Codification
-Topic 210
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