10. Secondary Public Offering of Common Stock (Details Narrative) $ / shares in Units, shares in Thousands, $ in Thousands	1 Months Ended
	Oct. 31, 2020 USD ($) $ / shares shares
Common stock shares issued under public offering	3,565
Sale of stock, price per share | $ / shares	$ 8.00
Secondary Public Offering [Member]
Common stock shares issued under public offering	465
Proceeds from sale of stock | $	$ 19,720
Intrusion [Member]
Common stock shares issued under public offering	2,000
Proceeds from sale of stock | $	$ 18,171
Shareholders [Member]
Common stock shares issued under public offering	1,100