FAIR VALUE, Summary (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Jun. 30, 2021
Carrying Amount [Member]
Financial Assets [Abstract]
Cash and cash equivalents	$ 47,150	$ 38,026
Prepaid expenses and other current assets	2,973	3,723
Financial Liabilities [Abstract]
Accrued expenses	15,778	16,692
Other short-term liabilities	56	26
Derivative qualifying cash flow hedge	552	877
Credit facility	15,848	17,212
Fair Value [Member]
Financial Assets [Abstract]
Cash and cash equivalents	47,150	38,026
Prepaid expenses and other current assets	2,973	3,723
Financial Liabilities [Abstract]
Accrued expenses	15,778	16,692
Other short-term liabilities	56	26
Derivative qualifying cash flow hedge	552	877
Credit facility	14,488	15,487
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Fair Value [Member]
Financial Assets [Abstract]
Cash and cash equivalents	47,150	38,026
Prepaid expenses and other current assets	0	0
Financial Liabilities [Abstract]
Accrued expenses	0	0
Other short-term liabilities	0	0
Derivative qualifying cash flow hedge	0	0
Credit facility	0	0
Significant Other Observable Inputs (Level 2) [Member] | Fair Value [Member]
Financial Assets [Abstract]
Cash and cash equivalents	0	0
Prepaid expenses and other current assets	2,973	3,723
Financial Liabilities [Abstract]
Accrued expenses	15,778	16,692
Other short-term liabilities	56	26
Derivative qualifying cash flow hedge	552	877
Credit facility	14,488	15,487
Significant Unobservable Inputs (Level 3) [Member] | Fair Value [Member]
Financial Assets [Abstract]
Cash and cash equivalents	0	0
Prepaid expenses and other current assets	0	0
Financial Liabilities [Abstract]
Accrued expenses	0	0
Other short-term liabilities	0	0
Derivative qualifying cash flow hedge	0	0
Credit facility	$ 0	$ 0