Note 2 - Revenue Recognition (Tables)

3 Months Ended

Mar. 31, 2022

Notes Tables

Disaggregation of Revenue [Table Text Block]

	Three Months Ended March 31, 2022						Three Months Ended March 31, 2021
	Partner		Edge to				Partner		Edge to
	Solutions		Cloud		Total		Solutions		Cloud		Total
Primary geographic area:
North America	$	8,205	$	563	$	8,768	$	7,523	$	1,065	$	8,588
Europe		91		37		128		110		112		222
Asia		836		—		836		1,162		—		1,162
Total	$	9,132	$	600	$	9,732	$	8,795	$	1,177	$	9,972

Contract with Customer, Contract Asset, Contract Liability, and Receivable [Table Text Block]

	Three Months Ended March 31, 2022		Three Months Ended March 31, 2021
	Contract		Contract
	Assets		Assets
Transferred to receivables from contract assets outstanding at the beginning of the period	$	45	$	—

	Three Months Ended March 31, 2022		Three Months Ended March 31, 2021
	Deferred		Deferred
	Revenue		Revenue
Revenue recognized that was included in deferred revenue at the beginning of the period	$	205	$	756

Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table Text Block]

	Remainder of
	2022		2023		After 2023
Edge to Cloud	$	1,044	$	454	$	—