Note 2 - Revenue Recognition (Tables)

12 Months Ended

Dec. 31, 2021

Notes Tables

Disaggregation of Revenue [Table Text Block]

	Year Ended December 31, 2021						Year Ended December 31, 2020
	Partner		Edge to				Partner		Edge to
	Solutions		Cloud		Total		Solutions		Cloud		Total
Primary geographical area:
North America	$	31,226	$	3,615	$	34,841	$	36,141	$	4,198	$	40,339
Europe		360		236		596		1,460		595		2,055
Asia		4,930		—		4,930		4,656		94		4,750
Total	$	36,516	$	3,851	$	40,367	$	42,257	$	4,887	$	47,144

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

	December 31, 2021		December 31, 2020
Receivables	$	4,914	$	6,177
Short-term contract assets		46		456
Long-term contract assets		—		—
Short-term contract liabilities (deferred revenue)		944		2,088
Long-term contract liabilities (deferred revenue)		194		28

		2021		2020
		Contract		Contract
		Assets		Assets
Transferred to receivables from contract assets outstanding at the beginning of the period	$	—	$	47

		2021		2020
		Contract		Contract
		Liabilities		Liabilities
Revenue recognized that was included in contract liabilities at the beginning of the period	$	1,273	$	1,633

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

	2022		2023		2024		2025		2026		Thereafter
Edge to Cloud	$	1,527	$	452	$	—	$	—	$	—	$	—