CONDENSED CONSOLIDATED STATEMENT OF SHAREHOLDERS' EQUITY - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-in Capital	Retained Earnings	Sub-Total ASHS	Non-controlling Interests in Subsidiaries
Beginning balance at Dec. 31, 2018	$ 31,048	$ 10,711	$ 6,495	$ 7,896	$ 25,102	$ 5,946
Beginning balance (in shares) at Dec. 31, 2018		5,714,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation expense	55		55		55
Cash distributions to non-controlling interests	(19)					(19)
Net income	395	$ 0	0	270	270	125
Ending balance at Mar. 31, 2019	31,479	$ 10,711	6,550	8,166	25,427	6,052
Ending balance (in shares) at Mar. 31, 2019		5,714,000
Beginning balance at Dec. 31, 2019	31,811	$ 10,753	6,725	8,555	26,033	5,778
Beginning balance (in shares) at Dec. 31, 2019		5,817,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation expense	56		56		56
Cash distributions to non-controlling interests	(326)					(326)
Net income	(68)	$ 0	0	(135)	(135)	67
Restricted common shares returned to plan (in shares)		(129,000)
Ending balance at Mar. 31, 2020	$ 31,473	$ 10,753	$ 6,781	$ 8,420	$ 25,954	$ 5,519
Ending balance (in shares) at Mar. 31, 2020		5,688,000