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Note 1 - Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2021

Notes Tables

Disaggregation of Revenue [Table Text Block]

		Years ended December 31,
		2021				2020
FACILITIES:
Maintenance revenues		$	3,540			$	3,749
Equipment sales			2,039				1,980
Deployment and other services			1,496				3,274
Total facilities revenues			7,075				9,003
SYSTEMS INTEGRATION:
Integration services			5,668				7,286
Procurement services			14,667				28,773
Total systems integration revenues			20,335				36,059
TOTAL REVENUES		$	27,410			$	45,062

Schedules of Concentration of Risk, by Risk Factor [Table Text Block]

		2021				2020
U.S.-based IT OEM			95	%			97	%

Allowance for Doubtful Accounts [Table Text Block]

		Year Ended December 31,
		2021				2020
Balance at beginning of year		$	7			$	8
Additions charged to expense			-				-
Recovery of amounts previously reserved			-				-
Amounts written off			-				1
Balance at end of year		$	7			$	7

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