Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ 574	$ 520	$ 1,178	$ 790
Other comprehensive income (loss), net of tax:
Net unrealized holding gain (loss)	4	(9)	29	(22)
Comprehensive income	$ 578	$ 511	$ 1,207	$ 768