Note 3 - Investments and Fair Value Measurements (Tables)

12 Months Ended

Dec. 31, 2019

Notes Tables

Fair Value, Assets Measured on Recurring and Nonrecurring Basis [Table Text Block]

(In thousands)
December 31, 2019	Level 1		Level 2		Level 3		Total
Money market securities	$	17	$	—	$	—	$	17
Total assets	$	17	$	—	$	—	$	17

December 31, 2018	Level 1		Level 2		Level 3		Total
Money market securities	$	16	$	—	$	—	$	16
Certificate of deposit - restricted cash		523		—		—		523
Certificate of deposit - restricted investment (1)		400		—		—		400
Convertible notes receivable		—		—		655		655
Total assets	$	939	$	—	$	655	$	1,594

Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block]

Fair Value Measurements
Using Significant Unobservable Inputs (Level 3 - recurring basis)
(In thousands)	Convertible Note
	Receivable
Balance at December 31, 2018	$	655
Conversion to common stock of VPS		(655	)
Balance at December 31, 2019	$	—

Equity Method Investments [Table Text Block]

(In thousands)
Current assets	$	3,739
Non-current assets		4,306
Total Assets		8,045
Current liabilities	$	396
Non-current liabilities		2,725
Stockholders' equity		4,924
Total liabilities and stockholders' equity	$	8,045
Operating results since equity-method investment acquired.
Revenues	$	154
Operating loss		(5,151	)
Net loss	$	(5,151	)
Other comprehensive profit (loss):
Foreign currency translation adjustment		—
Comprehensive net loss		(5,151	)
Add back excluded acquisition intangible amortization, net		86
Adjusted comprehensive loss	$	(5,065	)
Company share of adjusted net loss at 20.58%	$	(1,043	)
Equity investment in affiliate	$	4,865