Divestitures - GF&F Held for Sale (Details) - USD ($) $ in Thousands	Sep. 15, 2017	Jun. 30, 2017	Jun. 30, 2016
Current assets:
Inventories, net		$ 717	$ 2,113
Total current assets		1,452	3,505
Property and equipment, net		181	337
Current liabilities
Total current liabilities		283	989
GF&F | Discontinued Operations, Disposed of by Sale | QMI
Discontinued Operations
Gross proceeds	$ 3,000
Flanges and Fittings Group | GF&F | Discontinued Operations, Held-for-sale
Current assets:
Accounts receivable, net		687	509
Inventories, net		717	1,085
Prepaid expenses and other current assets		48	67
Total current assets		1,452	1,661
Property and equipment, net		181	184
Goodwill		1,712	1,712
Total assets of discontinued operations		3,345	3,557
Current liabilities
Accounts payable and accrued expenses		283	266
Total current liabilities		283	266
Other long-term liabilities		260	225
Total liabilities of discontinued operations		$ 543	$ 491