CONSOLIDATED STATEMENTS OF STOCKHOLDERS’ EQUITY (Unaudited Consolidated Condensed) - USD ($) $ in Thousands	Common Stock [Member]	Additional Paid-in Capital [Member]	Accumulated Deficit [Member]	Total
Balance at beginning at Dec. 31, 2018	$ 339	$ 98,795	$ (97,750)	$ 1,384
Balance at beginning (in shares) at Dec. 31, 2018	33,911,792
Increase (Decrease) in Shareholders' Equity [Roll Forward]
Stock-based compensation		57		57
Net loss			(513)	(513)
Balance at ending at Mar. 31, 2019	$ 339	98,852	(98,263)	928
Balance at ending (in shares) at Mar. 31, 2019	33,911,792
Balance at beginning at Dec. 31, 2018	$ 339	98,795	(97,750)	1,384
Balance at beginning (in shares) at Dec. 31, 2018	33,911,792
Increase (Decrease) in Shareholders' Equity [Roll Forward]
Net loss				(2,022)
Balance at ending at Sep. 30, 2019	$ 381	100,624	(99,772)	1,233
Balance at ending (in shares) at Sep. 30, 2019	38,136,792
Balance at beginning at Mar. 31, 2019	$ 339	98,852	(98,263)	928
Balance at beginning (in shares) at Mar. 31, 2019	33,911,792
Increase (Decrease) in Shareholders' Equity [Roll Forward]
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 loss			(647)	(647)
Balance at ending at Jun. 30, 2019	$ 381	100,560	(98,910)	2,031
Balance at ending (in shares) at Jun. 30, 2019	38,136,792
Increase (Decrease) in Shareholders' Equity [Roll Forward]
Stock-based compensation		64		64
Net loss			(862)	(862)
Balance at ending at Sep. 30, 2019	$ 381	100,624	(99,772)	1,233
Balance at ending (in shares) at Sep. 30, 2019	38,136,792
Balance at beginning at Dec. 31, 2019	$ 381	101,886	(100,756)	1,511
Balance at beginning (in shares) at Dec. 31, 2019	38,136,792
Increase (Decrease) in Shareholders' Equity [Roll Forward]
Stock-based compensation		52		52
Net loss			(167)	(167)
Balance at ending at Mar. 31, 2020	$ 381	101,938	(100,923)	1,396
Balance at ending (in shares) at Mar. 31, 2020	38,136,792
Balance at beginning at Dec. 31, 2019	$ 381	101,886	(100,756)	1,511
Balance at beginning (in shares) at Dec. 31, 2019	38,136,792
Increase (Decrease) in Shareholders' Equity [Roll Forward]
Net loss				795
Balance at ending at Sep. 30, 2020	$ 382	102,055	(99,961)	2,476
Balance at ending (in shares) at Sep. 30, 2020	38,215,069
Balance at beginning at Mar. 31, 2020	$ 381	101,938	(100,923)	1,396
Balance at beginning (in shares) at Mar. 31, 2020	38,136,792
Increase (Decrease) in Shareholders' Equity [Roll Forward]
Stock-based compensation		47		47
Net loss			532	532
Balance at ending at Jun. 30, 2020	$ 381	101,985	(100,391)	1,975
Balance at ending (in shares) at Jun. 30, 2020	38,136,792
Increase (Decrease) in Shareholders' Equity [Roll Forward]
Stock option exercises	$ 1	22		23
Stock option exercises (in shares)	78,277
Stock-based compensation		48		48
Net loss			430	430
Balance at ending at Sep. 30, 2020	$ 382	$ 102,055	$ (99,961)	$ 2,476
Balance at ending (in shares) at Sep. 30, 2020	38,215,069