Condensed Consolidated Statement of Stockholders' Equity (Unaudited) - USD ($) shares in Thousands, $ in Thousands	Total	Common Stock	Additional Paid-In Capital	Accumulated Deficit	Accumulated Other Comprehensive Income (Loss)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Cumulative effect of adoption of accounting principle	$ (3)			$ (3)
Stockholders' equity, adjusted beginning balance	21,944	$ 1	$ 124,663	(102,734)	$ 14
Beginning Balance (in shares) at Jun. 30, 2018		14,073
Beginning Balance at Jun. 30, 2018	21,947	$ 1	124,663	(102,731)	14
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Exercise of options	172		172
Shares canceled or surrendered as payment of tax withholding (in shares)		5
Currency translation adjustment	(125)				(125)
Net income	911			911
Ending Balance (in shares) at Sep. 30, 2018		14,103
Ending Balance at Sep. 30, 2018	23,531	$ 1	125,464	(101,823)	(111)
Beginning Balance (in shares) at Jun. 30, 2018		14,073
Beginning Balance at Jun. 30, 2018	21,947	$ 1	124,663	(102,731)	14
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation	$ 629		629
Exercise of options (in shares)		35
Repurchase of company stock (in shares)	(100)
Currency translation adjustment	$ (4)
Net income	1,740
Ending Balance (in shares) at Dec. 31, 2018		14,267
Ending Balance at Dec. 31, 2018	21,018	$ 1	123,501	(102,494)	10
Beginning Balance (in shares) at Sep. 30, 2018		14,103
Beginning Balance at Sep. 30, 2018	23,531	$ 1	125,464	(101,823)	(111)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation	999		999
Exercise of options (in shares)		2
Exercise of options	12		12
Issuance of shares related to restricted stock (in shares)		513
Shares canceled or surrendered as payment of tax withholding (in shares)		(222)
Shares canceled or surrendered as payment of tax withholding	(2,974)		(2,974)
Repurchase of company stock (in shares)		(129)
Repurchase of company stock	(1,500)			(1,500)
Currency translation adjustment	121				121
Net income	829			829
Ending Balance (in shares) at Dec. 31, 2018		14,267
Ending Balance at Dec. 31, 2018	$ 21,018	$ 1	$ 123,501	$ (102,494)	$ 10