CONDENSED CONSOLIDATED STATEMENT OF SHAREHOLDERS' EQUITY - USD ($)	Total	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Sub-Total ASHS [Member]	Non-controlling Interests in Subsidiaries [Member]
Balances at Dec. 31, 2016	$ 27,173,000	$ 10,596,000	$ 5,949,000	$ 4,950,000	$ 21,495,000	$ 5,678,000
Balances (in shares) at Dec. 31, 2016		5,468,000
Stock-based compensation expense	323,000	$ 0	323,000	0	323,000	0
Stock-based compensation expense (in shares)		4,000
Restricted stock awards	0	$ 0	0	0	0	0
Restricted stock awards (in shares)		162,000
Warrants and options exercised	115,000	$ 115,000	0	0	115,000	0
Warrants and options exercised (in shares)		76,000
Cash distributions to non-controlling interests	(666,000)	$ 0	0	0	0	(666,000)
Net income	2,940,000	0	0	1,923,000	1,923,000	1,017,000
Balances at Dec. 31, 2017	29,885,000	$ 10,711,000	6,272,000	6,873,000	23,856,000	6,029,000
Balances (in shares) at Dec. 31, 2017		5,710,000
Stock-based compensation expense	169,000	$ 0	169,000	0	169,000	0
Stock-based compensation expense (in shares)		4,000
Cash distributions to non-controlling interests	(470,000)	$ 0	0	0	0	(470,000)
Net income	1,439,000	0	0	845,000	845,000	594,000
Balances at Sep. 30, 2018	$ 31,023,000	$ 10,711,000	$ 6,441,000	$ 7,718,000	$ 24,870,000	$ 6,153,000
Balances (in shares) at Sep. 30, 2018		5,714,000