Quarterly report pursuant to Section 13 or 15(d)

Commitments and Contingencies (Details Narrative)

Commitments and Contingencies (Details Narrative) - USD ($) $ in Thousands	1 Months Ended				3 Months Ended		12 Months Ended
	Apr. 30, 2020	Jan. 16, 2019	Nov. 30, 2018	Sep. 30, 2018	Mar. 31, 2021	Mar. 31, 2020	Dec. 31, 2020
Operating leases weighted average discount rate					8.00%
Finance lease liabilities current and long-term					$ 63		$ 74
Finance lease interest expense					5		7
Payments on finance lease liabilities					9		57
Interest expense, net					1	$ 2	2
Financing cash out flows					$ 9		57
Dr. Phillip Frost [Member]
Lease term				3 years
Lease termination, description				The lease term is three years with an optional three-year extension.
Rent expense				$ 58
Susan Church [Member]
Loss contingency, damages amount		$ 1,000
Operating Leases [Member]
Operating leases weighted average discount rate					8.00%
Weighted average remaining operating lease term					2 years 8 months 12 days
Common Area Maintenance [Member]
Operating variable lease expense					$ 19	20
Operating lease expense					57	$ 44
Finance Leases [Member]
Right-of-use lab equipment					211		211
Accumulated depreciation					125		$ 119
Depreciation expense					$ 6
February 2019 through January 2024 [Member]
Lease term					60 months
February 2019 [Member]
Lease term					5 years
Lease termination, description					The minimum lease payments above include the amounts that would be paid if the Company maintains its Bothell lease for the five-year term, starting February 2019. The Company has the right to terminate this lease after three years on January 31, 2022, by giving prior notice at least nine months before the early termination date and by paying a termination fee equal to the sum of unamortized leasing commissions and reimbursement for tenant improvements provided by the landlord amortized at 8.0% over the extended term.
Unamortized leasing percentage					8.00%
November 21, 2021 [Member] \| Lease Agreement [Member]
Lease term			36 months
Capital lease payment			$ 1
April, 2020 [Member] \| Lease Agreement [Member]
Lease term	36 months
March 31, 2023 [Member] \| Lease Agreement [Member]
Operating leases weighted average discount rate	8.00%
Weighted average remaining operating lease term	1 year 9 months 18 days
Capital lease payment	$ 2
Miami, Florida [Member]
Lease expire					Aug. 31, 2021
Bothell, Washington [Member]
Lease expire					Jan. 31, 2024