Condensed Consolidated Statement of Equity (Unaudited) - 3 months ended Mar. 31, 2018 - USD ($) shares in Thousands, $ in Thousands	Common Stock [Member]	Treasury Stock [Member]	Additional Paid-in Capital [Member]	AOCI Attributable to Parent [Member]	Retained Earnings [Member]	Noncontrolling Interest [Member]	Total
Shares (in shares) at Dec. 31, 2017	20,681	104
Balance at Dec. 31, 2017	$ 207	$ (115)	$ 16,271	$ (1,690)	$ 4,977	$ 5,905	$ 25,555
Share-based compensation			49				49
Exercise of stock options (in shares)		(71)
Exercise of stock options		$ 79	(79)
Distributions to non-controlling investors						(463)	(463)
Non-controlling interest related to Resource Plus acquisition						3,023	3,023
Other comprehensive income						(30)	(30)
Net income					124	301	425
Balance at March 31, 2018 (in shares) at Mar. 31, 2018	20,681	33
Balance at Mar. 31, 2018	$ 207	$ (36)	$ 16,241	$ (1,690)	$ 5,101	$ 8,736	$ 28,559