Summary of Significant Accounting Policies (Summary of Revision of Previously Issued Financial Statements - Balance Sheet) (Details) - USD ($) $ in Thousands	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2017
ASSETS
Total Assets	$ 62,838	$ 74,204	$ 70,615
LIABILITIES AND SHAREHOLDERS' EQUITY
Current Liabilities	20,201	25,838	28,155
Long-Term Deferred Taxes	41	638	51
Long-Term Taxes Payable and Other Long-Term Liabilities		1,051	1,754
Total Liabilities	20,912	27,527	29,960
Shareholders' Equity
Preferred stock - no par value	0	0	0
Common stock, $0.01 par value, authorized 19,000 shares, issued and outstanding 9,656 and 9,554, respectively	97	96	94
Accumulated other comprehensive income (loss)	(3,079)	(2,096)	(2,721)
Additional paid-in capital	49,083	48,110	46,688
Retained (deficit) earnings	(4,175)	567	(3,406)
Total shareholders' equity	41,926	46,677	40,655
Total Liabilities and Shareholders' Equity	$ 62,838	74,204	70,615
As Previously Reported [Member]
ASSETS
Total Assets		74,204	70,615
LIABILITIES AND SHAREHOLDERS' EQUITY
Current Liabilities		25,838	28,155
Long-Term Deferred Taxes		1,717	871
Long-Term Taxes Payable and Other Long-Term Liabilities		1,051	1,754
Total Liabilities		28,606	30,780
Shareholders' Equity
Preferred stock - no par value		0	0
Common stock, $0.01 par value, authorized 19,000 shares, issued and outstanding 9,656 and 9,554, respectively		96	94
Accumulated other comprehensive income (loss)		(2,098)	(2,721)
Additional paid-in capital		48,110	46,688
Retained (deficit) earnings		(510)	(4,226)
Total shareholders' equity		45,598	39,835
Total Liabilities and Shareholders' Equity		74,204	70,615
Adjustment [Member]
LIABILITIES AND SHAREHOLDERS' EQUITY
Long-Term Deferred Taxes		(1,079)	(820)
Total Liabilities		(1,079)	(820)
Shareholders' Equity
Preferred stock - no par value		0	0
Accumulated other comprehensive income (loss)		2
Retained (deficit) earnings		1,077	820
Total shareholders' equity		$ 1,079	$ 820