Divestitures - 3DMT Held for Sale Balance Sheet (Details) - USD ($) $ in Thousands	Sep. 30, 2018	Jun. 30, 2018
Current assets:
Inventories, net		$ 225
Total current assets	$ 3,529	547
Current liabilities
Total current liabilities	1,639	1,422
3DMT | Discontinued Operations, Held-for-sale
Current assets:
Accounts receivable, net	173	148
Inventories, net	209	225
Prepaid expenses and other current assets	193	174
Total current assets	575	547
Property and equipment, net	2,928	3,101
Other Assets	26	26
Total assets of discontinued operations	3,529	3,674
Current liabilities
Accounts payable and accrued expenses	535	449
Capital lease obligations, current portion	762	973
Total current liabilities	1,297	1,422
Capital lease obligations, net of current portion	342	462
Total liabilities of discontinued operations	$ 1,639	$ 1,884