Condensed Consolidated Statements of Shareholders' Equity - USD ($)	Total	Common Stock	Additional Paid-In Captal	Accumulated Other Comprehensive Loss	Accumulated Deficit
Balance at Jun. 30, 2019	$ 11,702,000	$ 52,000	$ 24,637,000	$ (382,000)	$ (12,605,000)
Balance (in shares) at Jun. 30, 2019		5,309,259
Stock-based compensation	104,000		104,000
Stock-based compensation (in shares)		33,814
Stock options exercised	4,000		4,000
Stock options exercised (in shares)		1,000
Stock for tax withholding	(21,000)		(21,000)
Stock for tax withholding (in shares)		(4,040)
Comprehensive income (loss):
Foreign currency translation adjustment	(10,000)			(10,000)
Net income	955,000				955,000
Cumulative effect from adoption of ASU No. 2016-02	33,000				33,000
Balance at Dec. 31, 2018	10,637,000	$ 52,000	24,550,000	(372,000)	(13,593,000)
Balance (in shares) at Dec. 31, 2018		5,278,485
Balance at Jun. 30, 2019	11,702,000	$ 52,000	24,637,000	(382,000)	(12,605,000)
Balance (in shares) at Jun. 30, 2019		5,309,259
Stock-based compensation	54,000		54,000
Stock-based compensation (in shares)		16,996
Stock for tax withholding	(9,000)		(9,000)
Stock for tax withholding (in shares)		(1,678)
Comprehensive income (loss):
Foreign currency translation adjustment	(40,000)			(40,000)
Net income	647,000				647,000
Balance at Mar. 31, 2019	11,050,000	$ 52,000	24,592,000	(342,000)	(13,252,000)
Balance (in shares) at Mar. 31, 2019		5,293,941
Balance at Jun. 30, 2020	18,027,000	$ 53,000	24,858,000	(358,000)	(6,526,000)
Balance (in shares) at Jun. 30, 2020		5,338,071
Stock-based compensation	$ 113,000		113,000
Stock-based compensation (in shares)		16,900
Stock options exercised (in shares)	0
Stock for tax withholding	$ (6,000)		(6,000)
Stock for tax withholding (in shares)		(1,678)
Comprehensive income (loss):
Foreign currency translation adjustment	(52,000)			(52,000)
Net income	39,000				39,000
Balance at Dec. 31, 2019	17,933,000	$ 53,000	24,751,000	(306,000)	(6,565,000)
Balance (in shares) at Dec. 31, 2019		5,322,849
Balance at Jun. 30, 2020	18,027,000	$ 53,000	24,858,000	(358,000)	(6,526,000)
Balance (in shares) at Jun. 30, 2020		5,338,071
Stock-based compensation	54,000		54,000
Stock-based compensation (in shares)		7,950
Stock for tax withholding	(6,000)		(6,000)
Stock for tax withholding (in shares)		(1,678)
Comprehensive income (loss):
Foreign currency translation adjustment	54,000			54,000
Net income	150,000				150,000
Balance at Mar. 31, 2020	$ 17,775,000	$ 53,000	$ 24,810	$ (412,000)	$ (6,676,000)
Balance (in shares) at Mar. 31, 2020		5,331,799