CONSOLIDATED STATEMENTS OF SHAREHOLDERS EQUITY (Unaudited Consolidated Condensed) - USD ($) $ in Thousands	Preferred Stock [Member]	Common Stock [Member]	Additional Paid-in Capital [Member]	Accumulated Deficit [Member]	Total
Balance at beginning at Dec. 31, 2017	$ 0	$ 338	$ 98,563	$ (95,669)	$ 3,232
Balance at beginning (in shares) at Dec. 31, 2017	0	33,847,793
Stock-based compensation			43		43
Net income (loss)				(924)	(924)
Balance at ending at Mar. 31, 2018	$ 0	$ 338	98,606	(96,593)	2,351
Balance at ending (in shares) at Mar. 31, 2018	0	33,847,793
Balance at beginning at Dec. 31, 2017	$ 0	$ 338	98,563	(95,669)	3,232
Balance at beginning (in shares) at Dec. 31, 2017	0	33,847,793
Net income (loss)					(972)
Balance at ending at Sep. 30, 2018	$ 0	$ 339	98,737	(98,910)	2,435
Balance at ending (in shares) at Sep. 30, 2018	0	33,911,792
Balance at beginning at Mar. 31, 2018	$ 0	$ 338	98,606	(96,593)	2,351
Balance at beginning (in shares) at Mar. 31, 2018	0	33,847,793
Stock-based compensation			45		45
Net income (loss)				88	88
Balance at ending at Jun. 30, 2018	$ 0	$ 338	98,651	(96,505)	2,484
Balance at ending (in shares) at Jun. 30, 2018	0	33,847,793
Stock option exercises		$ 1	28		29
Stock option exercises (in shares)		63,999
Stock-based compensation			58		58
Net income (loss)				(136)	(136)
Balance at ending at Sep. 30, 2018	$ 0	$ 339	98,737	(98,910)	2,435
Balance at ending (in shares) at Sep. 30, 2018	0	33,911,792
Balance at beginning at Dec. 31, 2018	$ 0	$ 339	98,795	(97,750)	1,384
Balance at beginning (in shares) at Dec. 31, 2018	0	33,911,792
Stock-based compensation			57		57
Net income (loss)				(513)	(513)
Balance at ending at Mar. 31, 2019	$ 0	$ 339	98,852	(98,263)	928
Balance at ending (in shares) at Mar. 31, 2019	0	33,911,792
Balance at beginning at Dec. 31, 2018	$ 0	$ 339	98,795	(97,750)	1,384
Balance at beginning (in shares) at Dec. 31, 2018	0	33,911,792
Net income (loss)					(2,022)
Balance at ending at Sep. 30, 2019	$ 0	$ 381	100,624	(99,772)	1,233
Balance at ending (in shares) at Sep. 30, 2019	0	38,136,792
Balance at beginning at Mar. 31, 2019	$ 0	$ 339	98,852	(98,263)	928
Balance at beginning (in shares) at Mar. 31, 2019	0	33,911,792
Stock option exercises			16		16
Stock option exercises (in shares)		36,000
Stock-based compensation			58		58
Issuance of Common Stock		$ 42	1,634		1,676
Issuance of Common Stock (in shares)		4,189,000
Net income (loss)				(647)	(647)
Balance at ending at Jun. 30, 2019	$ 0	$ 381	100,560	(98,910)	2,031
Balance at ending (in shares) at Jun. 30, 2019	0	38,136,792
Stock-based compensation			64		64
Net income (loss)				(862)	(862)
Balance at ending at Sep. 30, 2019	$ 0	$ 381	$ 100,624	$ (99,772)	$ 1,233
Balance at ending (in shares) at Sep. 30, 2019	0	38,136,792