Liquidity and Going Concern Uncertainty (Details) - USD ($)	3 Months Ended				6 Months Ended
	Jun. 30, 2020	Mar. 31, 2020	Jun. 30, 2019	Mar. 31, 2019	Jun. 30, 2020	Jun. 30, 2019	Dec. 31, 2019	Dec. 31, 2018
Line of Credit Facility [Line Items]
Cash	$ 4,141,000		$ 987,000		$ 4,141,000	$ 987,000	$ 4,602,000	$ 2,007,000
Long term debt	8,026,000				8,026,000		5,609,000
Working capital	(755,000)				(755,000)
Net loss	(3,385,000)	$ (3,129,000)	$ (875,000)	$ (598,000)	(6,514,000)	(1,473,000)
Net cash used in operating activities					(2,857,000)	(968,000)
Proceeds from PPP Loan					2,417,000	$ 0
Decrease in operating expenses		$ 938,000
Decrease in operating expenses, percentage		21.00%
Operating expenses	3,637,000	$ 4,575,000
SVB loan agreement
Line of Credit Facility [Line Items]
Long term debt	5,609,000				5,609,000		5,609,000
Principal payment	291,500
PPP Loan
Line of Credit Facility [Line Items]
Long term debt	2,417,000				2,417,000		$ 0
Proceeds from PPP Loan	$ 2,417,000				$ 2,417,000