Employee Benefit Plans (Details Narrative) (10-K) - 401(k) Plan [Member] - USD ($) $ in Thousands	3 Months Ended	9 Months Ended	12 Months Ended
Mar. 31, 2021	Mar. 31, 2020	Sep. 30, 2019	Dec. 31, 2020
Employee contribution amount	$ 3	$ 4	$ 18	$ 11
Maximum [Member]
Employee contribution percentage	100.00%			100.00%

Amount of cost for defined contribution plan.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 70
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=49170846&loc=d3e28014-114942

Name:	us-gaap_DefinedContributionPlanCostRecognized
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration