Note 9 - Income Taxes (Tables)

12 Months Ended

Dec. 31, 2019

Notes Tables

Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]

	Year Ended December 31,
(In thousands)	2019			2018
Federal		—			—
State		—			—
Total current tax provision		—			—
Federal		(1,541	)		—
State		—			—
Total deferred tax provision		(1,541	)		—
Provision (benefit) for income taxes	$	(1,541	)		—

Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]

	Year Ended December 31,
(In thousands)	2019			2018
Tax on net income at federal statutory rate		21	%		21	%
Change in valuation allowance		(5	%)		2	%
Stock-based compensation		74	%		3	%
Section 162(m) limitation on executive compensation		(17	%)		(1	%)
Book loss on equity method investment		(5	%)		(1	%)
Fair value change in warrant liability		(82	%)		(24	%)
Gain on stock acquisition		64	%		—	%
Transaction costs		(4	%)		—	%
Tax credits		5	%		—	%
Expired net operating losses		(5	%)		—	%
Other		1	%		—	%
Total		47	%		—	%

Schedule of Deferred Tax Assets and Liabilities [Table Text Block]

	December 31,
(In thousands)	2019			2018
Deferred tax assets related to:
Net operating loss carryforward	$	9,495		$	7,381
Stock-based compensation		1,110			664
Accruals and reserves		192			181
Inventory		88			42
Lease liabilities		208			101
Tax credit carryforward		152		––
Other		4		––
Total deferred tax assets		11,249			8,369
Deferred tax liabilities related to:
Intangibles		(2,217	)	––
Right-of-use assets		(218	)	––
Fixed assets		(108	)		(24	)
Total deferred tax liabilities		(2,543	)		(24	)
Total deferred taxes		8,706			8,345
Less: valuation allowance		(8,706	)		(8,345	)
Net deferred taxes	––			––