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 (loss) income	395			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, 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]
Net (loss) income	$ 674
Restricted common shares returned to plan (in shares)	16,000
Ending balance at Jun. 30, 2019	$ 31,754	$ 10,711	6,603	8,197	25,511	6,243
Ending balance (in shares) at Jun. 30, 2019		5,816,000
Beginning balance at Mar. 31, 2019	31,479	$ 10,711	6,550	8,166	25,427	6,052
Beginning balance (in shares) at Mar. 31, 2019		5,714,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation expense	$ 53		53		53
Stock based compensation expense (in shares)	102,000
Cash distributions to non-controlling interests	$ (57)					(57)
Net (loss) income	279			31	31	248
Ending balance at Jun. 30, 2019	31,754	$ 10,711	6,603	8,197	25,511	6,243
Ending balance (in shares) at Jun. 30, 2019		5,816,000
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 (loss) income	(68)			(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
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]
Net (loss) income	(507)
Ending balance at Jun. 30, 2020	30,973	$ 10,753	6,834	7,937	25,524	5,449
Ending balance (in shares) at Jun. 30, 2020		5,691,000
Beginning balance at Mar. 31, 2020	31,473	$ 10,753	6,781	8,420	25,954	5,519
Beginning balance (in shares) at Mar. 31, 2020		5,688,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation expense	$ 53		53		53
Stock based compensation expense (in shares)	3,000
Cash distributions to non-controlling interests	$ (114)					(114)
Net (loss) income	(439)			(483)	(483)	44
Ending balance at Jun. 30, 2020	$ 30,973	$ 10,753	$ 6,834	$ 7,937	$ 25,524	$ 5,449
Ending balance (in shares) at Jun. 30, 2020		5,691,000