Note 2 - Supplemental Balance-sheet Information (Tables)

12 Months Ended

Dec. 31, 2018

Notes Tables

Past Due Financing Receivables [Table Text Block]

	December 31, 2018			December 31, 2017
Contract and other receivables	$	735		$	998
Allowance for doubtful accounts		(8	)		(8	)
	$	727		$	990

Schedule of Inventory, Current [Table Text Block]

	December 31, 2018			December 31, 2017
Raw materials		110			136
Less: Reserve		(2	)		(2	)
Inventories, net	$	108		$	134

Schedule of Intangible Assets and Goodwill [Table Text Block]

	December 3 1 , 201 8					December 31, 201 7
	Gross					Gross
	Carrying		Accumulated			Carrying		Accumulated
	Amount		Amortization			Amount		Amortization
Intangible assets not subject to amortization:
Goodwill	$	780		-		$	1,907		-
Intangible assets subject to amortization:
Customer relationships	$	906	$	(508	)	$	906	$	(418	)
Acquired software	$	234	$	(234	)	$	234	$	(216	)
Trade name	$	-	$	-		$	60		(5	)

Property, Plant and Equipment [Table Text Block]

	Estimated Useful			December 31,
	Lives (in years)			2018			2017
Vehicles		5		$	-		$	32
Trade equipment		5			102			162
Leasehold improvements	2	–	5		250			378
Furniture and fixtures		7			16			18
Computer equipment and software		3			1,599			1,448
					1,967			2,038
Less accumulated depreciation					(1,577	)		(1,620	)
Property and equipment, net				$	390		$	418

Schedule of Accounts Payable and Accrued Liabilities [Table Text Block]

	December 31,
	2018		201 7
Accounts payable	$	944	$	1,413
Accrued expenses		566		847
Compensation, benefits and related taxes		856		567
Other accrued expenses		24		14
Total accounts payable and accrued expenses	$	2,390	$	2,841