Note 8 - Shareholders' Equity

6 Months Ended

Jun. 30, 2019

Notes to Financial Statements

Stockholders' Equity Note Disclosure [Text Block]

8.

Shareholders' Equity

	Three months ended June 30,						Six months ended June 30,
	2019			2018			2019			201 8
Common stock and additional paid-in capital
Balance, beginning of period	$	57,940		$	47,620		$	57,857		$	47,472
Share-based compensation expense		55			129			129			266
Proceeds from employee stock purchase plan		7			9			16			20
Balance, end of period	$	58,002		$	47,758			58,002			47,758
Accumulated other comprehensive loss
Balance, beginning of period	$	(137	)	$	(113	)	$	(181	)	$	(65	)
Unrealized gain (loss) on available-for-sale securities, net of tax		84			(1	)		154			(71	)
Foreign currency translation adjustment		9			(60	)		(17	)		(38	)
Balance, end of period	$	(44	)	$	(174	)	$	(44	)	$	(174	)
Retained earnings (accumulated deficit)
Balance, beginning of period	$	(7,824	)	$	9,367		$	(5,475	)	$	9,160
Stock repurchased		—			—			—			(147	)
Cash dividends, $0.07 per share		—			—			—			(583	)
Impact on retained earnings for change in revenue recognition policy		—			—			—			2,782
Net loss		(2,098	)		(2,164	)		(4,447	)		(4,009	)
Balance, end of period	$	(9,922	)	$	7,203		$	(9,922	)	$	7,203
Total shareholders' equity	$	48,036		$	54,787		$	48,036		$	54,787