7. Stockholders' Equity (Tables)

6 Months Ended

Jun. 30, 2020

Stockholders' equity:

Changes in consolidated stockholders' equity

	Common Stock Shares		Common Stock Amount		Additional Paid-In Capital			Accumulated  Deficit			Treasury Stock			Total
Balance at December 31, 2018		13,882,937	$	8,330	$	25,867		$	(2,393	)	$	(4,092	)	$	27,712
Stock options exercised and issued		1,000		—		2			—			—			2
Share-based compensation expense-stock options		—		—		31			—			—			31
Share-based compensation expense-restricted stock units		—		—		41			—			—			41
Common stock dividends ($0.02 per share)		—		—		—			(254	)		—			(254	)
Net loss		—		—		—			(1,318	)		—			(1,318	)
Repurchase of common stock		—		—		—			—			(337	)		(337	)
Balance at March 31, 2019		13,883,937		8,330		25,941			(3,965	)		(4,429	)		25,877
Common stock issued under restricted stock units		38,353		23		(23	)		—			—			—
Share-based compensation expense-stock options		—		—		37			—			—			37
Share-based compensation expense-restricted stock units		—		—		33			—			—			33
Common stock dividends ($0.02 per share)		—		—		—			(255	)		—			(255	)
Net loss		—		—		—			(247	)		—			(247	)
Repurchase of common stock		—		—		—			—			(213	)		(213	)
Balance at June 30, 2019		13,922,290	$	8,353	$	25,988		$	(4,467	)	$	(4,642	)	$	25,232

	Common Stock Shares		Common Stock Amount		Additional Paid-In Capital			Accumulated  Deficit			Treasury Stock			Total
Balance at December 31, 2019		13,929,381	$	8,357	$	26,095		$	(6,043	)	$	(5,133	)	$	23,276
Common stock issued under restricted stock units		—		—		—			—			—			—
Share-based compensation expense-stock options		—		—		30			—			—			30
Share-based compensation expense-restricted stock units		—		—		21			—			—			21
Common stock dividends ($0.02 per share)		—		—		—			(250	)		—			(250	)
Net loss		—		—		—			(1,192	)		—			(1,192	)
Repurchase of common stock		—		—		—			—			(243	)		(243	)
Balance at March 31, 2020		13,929,381		8,357		26,146			(7,485	)		(5,376	)		21,642
Common stock issued under restricted stock units		14,439		9		(9	)		—			—			—
Share-based compensation expense-stock options		—		—		30			—			—			30
Share-based compensation expense-restricted stock units		—		—		68			—			—			68
Common stock dividends ($0.02 per share)		—		—		—			(252	)		—			(252	)
Net loss		—		—		—			(302	)		—			(302	)
Repurchase of common stock		—		—		—			—			(26	)		(26	)
Balance at June 30, 2020		13,943,820	$	8,366	$	26,235		$	(8,039	)	$	(5,402	)	$	21,160