NOTE 11 - LONG TERM INCENTIVE PLANS (Details Narrative) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2021	Mar. 31, 2020	Dec. 31, 2020	Dec. 31, 2019
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]
Compensation expense for restricted stock awards	$ 132	$ 136
Unrecognized compensation cost relating to awards	646	659
Compensation expense related to PSUs	0	36
Performance-based restricted stock units pursuant to 2017 Long-Term Incentive Plan, granted			7,250
Performance-based restricted stock units pursuant to 2017 Long-Term Incentive Plan, fair value			$ 264	$ 280
Performance-based restricted stock units pursuant to 2017 Long-Term Incentive Plan, compensation expense	71	23
Short Term Incentive Plan expense, included in compensation expenses	$ 238	$ 153
Outstanding Stock Options 1 [Member]
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]
Options exercised by former Riverside employee, number	1,755	1,755
Options exercised by former Riverside employee, exercise price	$ 17.04	$ 17.04
Outstanding Stock Options 2 [Member]
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]
Options exercised by former Riverside employee, number		1,350
Options exercised by former Riverside employee, exercise price		$ 17.04