Income Taxes (Details 3) - USD ($) $ in Thousands	Jun. 30, 2019	Jun. 30, 2018
Deferred tax assets:
Warranty reserve	$ 206	$ 206
Bad debt reserve	238	1,629
Paid time-off accrual	616	575
Insurance reserve	1,577	1,608
Legal reserve	1	27
Net operating loss benefit and credit carryforwards	10,054	10,169
Valuation allowance	(4,959)	(1,638)
Accrued compensation and pension	1,115	758
Stock compensation expense on nonvested deferred shares	3,679	2,733
Accrued losses	194	171
Foreign currency translation and other	833	1,066
Total deferred tax assets	13,554	17,304
Deferred tax liabilities:
Tax over book depreciation	9,349	8,137
Tax over book amortization	1,770	702
Branch future liability	34	3,018
Receivable holdbacks and other	16	1,028
Total deferred tax liabilities	11,169	12,885
Net deferred tax asset	$ 2,385	$ 4,419