CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($)	3 Months Ended		6 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2020	Dec. 31, 2019
Income Statement [Abstract]
Net sales	$ 104,571,000	$ 152,498,000	$ 201,841,000	$ 291,098,000
Cost of goods sold	78,321,000	108,513,000	153,173,000	206,472,000
Gross profit	26,250,000	43,985,000	48,668,000	84,626,000
Selling expenses	24,769,000	34,906,000	48,268,000	68,520,000
General and administrative expenses	11,570,000	11,266,000	21,316,000	24,006,000
Net gains from sales of assets	(1,168,000)	(11,057,000)	(549,000)	(23,662,000)
Impairment of fixed assets	1,243,000	0	1,243,000	0
Operating expenses	36,414,000	35,115,000	70,278,000	68,864,000
(Loss) income from operations	(10,164,000)	8,870,000	(21,610,000)	15,762,000
Other (expense) income:
Interest expense	(2,938,000)	(2,859,000)	(6,181,000)	(5,407,000)
Other, net	9,080,000	1,662,000	17,639,000	1,865,000
Total other income (expense)	6,142,000	(1,197,000)	11,458,000	(3,542,000)
(Loss) income before taxes	(4,022,000)	7,673,000	(10,152,000)	12,220,000
Income tax expense (benefit)	13,703,000	(81,000)	13,845,000	(188,000)
Net (loss) income	(17,725,000)	7,754,000	(23,997,000)	12,408,000
Less: Cumulative preferred dividends, undeclared and unpaid	143,000	138,000	284,000	275,000
Undistributed net (loss) income available to common stockholders	$ (17,868,000)	$ 7,616,000	$ (24,281,000)	$ 12,133,000
Net income (loss) per common share - basic (in US$ per share)	$ (1.02)	$ 0.44	$ (1.39)	$ 0.71
Net income (loss) per common share - diluted (in US$ per share)	$ (1.02)	$ 0.43	$ (1.39)	$ 0.69
Weighted average common shares outstanding - basic (in shares)	17,531,521	17,159,108	17,477,268	17,127,153
Weighted average common shares outstanding—diluted (in shares)	17,531,521	17,583,335	17,477,268	17,550,144