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
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance (in shares)		5,714,000
Beginning balance (in shares) at Dec. 31, 2018		5,714,000
Beginning balance at Dec. 31, 2018	$ 31,048	$ 10,711	$ 6,495	$ 7,896	$ 25,102	$ 5,946
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation expense	55		55		55
Stock-based compensation expense	55		55		55
Cash distributions to non-controlling interests	(19)					(19)
Net (loss) income	395			270	270	125
Ending balance (in shares) at Mar. 31, 2019		5,714,000
Ending balance at Mar. 31, 2019	31,479	$ 10,711	6,550	8,166	25,427	6,052
Beginning balance (in shares) at Dec. 31, 2018		5,714,000
Beginning balance at Dec. 31, 2018	$ 31,048	$ 10,711	6,495	7,896	25,102	5,946
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Options exercised (in shares)	16,000
Net (loss) income	$ 1,028
Ending balance (in shares) at Sep. 30, 2019		5,816,000
Ending balance at Sep. 30, 2019	31,422	$ 10,752	6,665	8,362	25,779	5,643
Beginning balance (in shares) at Mar. 31, 2019		5,714,000
Beginning balance at Mar. 31, 2019	31,479	$ 10,711	6,550	8,166	25,427	6,052
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation expense	$ 53		53		53
Stock based compensation expense (in shares)	86,000
Stock-based compensation expense	$ 53		53		53
Cash distributions to non-controlling interests	(57)					(57)
Net (loss) income	279			31	31	248
Ending balance (in shares) at Jun. 30, 2019		5,800,000
Ending balance at Jun. 30, 2019	31,754	$ 10,711	6,603	8,197	25,511	6,243
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation expense	62		62		62
Options exercised (in shares)		16,000
Options exercised	41	$ 41			41
Stock-based compensation expense	62		62		62
Cash distributions to non-controlling interests	(789)					(789)
Net (loss) income	354			165	165	189
Ending balance (in shares) at Sep. 30, 2019		5,816,000
Ending balance at Sep. 30, 2019	31,422	$ 10,752	6,665	8,362	25,779	5,643
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance (in shares)		5,817,000
Beginning balance (in shares) at Dec. 31, 2019		5,817,000
Beginning balance at Dec. 31, 2019	31,811	$ 10,753	6,725	8,555	26,033	5,778
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation expense	56		56		56
Options exercised (in shares)		(129,000)
Stock-based compensation expense	56		56		56
Cash distributions to non-controlling interests	(326)					(326)
Net (loss) income	(68)			(135)	(135)	67
Ending balance (in shares) at Mar. 31, 2020		5,688,000
Ending balance at Mar. 31, 2020	31,473	$ 10,753	6,781	8,420	25,954	5,519
Beginning balance (in shares) at Dec. 31, 2019		5,817,000
Beginning balance at Dec. 31, 2019	31,811	$ 10,753	6,725	8,555	26,033	5,778
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net (loss) income	(721)
Ending balance (in shares) at Sep. 30, 2020		5,751,000
Ending balance at Sep. 30, 2020	30,714	$ 10,753	6,914	7,728	25,395	5,319
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance (in shares)		5,688,000
Beginning balance (in shares) at Mar. 31, 2020		5,688,000
Beginning balance at Mar. 31, 2020	31,473	$ 10,753	6,781	8,420	25,954	5,519
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation expense	53		53		53
Stock based compensation expense (in shares)		3,000
Stock-based compensation expense	53		53		53
Cash distributions to non-controlling interests	(114)					(114)
Net (loss) income	(439)			(483)	(483)	44
Ending balance (in shares) at Jun. 30, 2020		5,691,000
Ending balance at Jun. 30, 2020	30,973	$ 10,753	6,834	7,937	25,524	5,449
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance (in shares)		5,691,000
Stock-based compensation expense	80		80		80
Stock based compensation expense (in shares)		60,000
Stock-based compensation expense	80		80		80
Cash distributions to non-controlling interests	(142)					(142)
NCI investment in Acquisition	17					17
Net (loss) income	(214)			(209)	(209)	(5)
Ending balance (in shares) at Sep. 30, 2020		5,751,000
Ending balance at Sep. 30, 2020	$ 30,714	$ 10,753	$ 6,914	$ 7,728	$ 25,395	$ 5,319
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance (in shares)		5,751,000