Condensed Consolidated Statement of Shareholders' Equity (Unaudited) - 3 months ended Mar. 31, 2019 - USD ($)	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Total
Balance (in shares) at Dec. 31, 2018	13,502,684			13,502,684	[1]
Balance at Dec. 31, 2018	$ 135,000	$ 2,669,000	$ 29,390,000	$ 32,194,000	[2]
Common stock repurchased and retired (in shares)	(255,000)
Common stock repurchased and retired	$ (2,000)	(1,006,000)		(1,008,000)
Stock-based compensation expense		122,000		$ 122,000
Options exercised (in shares)	33,334			33,334
Options exercised		60,000		$ 60,000
Net income			1,218,000	$ 1,218,000
Balance (in shares) at Mar. 31, 2019	13,281,018			13,281,018
Balance at Mar. 31, 2019	$ 133,000	$ 1,845,000	$ 30,608,000	$ 32,586,000

[1] The condensed consolidated balance sheet as of December 31, 2018 has been prepared using information from the audited consolidated balance sheet as of that date.

[2] The condensed consolidated balance sheet as of December 31, 2018 has been prepared using information from the audited consolidated balance sheet as of that date.