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Note 2 - Supplemental Balance-sheet Information (Tables)

12 Months Ended

Dec. 31, 2017

Notes Tables

Past Due Financing Receivables [Table Text Block]

		December 31, 2017				December 31, 2016
Contract and other receivables		$	998			$	2,393
Allowance for doubtful accounts			(8	)			(4	)
Contract and other receivables, net		$	990			$	2,389

Schedule of Inventory, Current [Table Text Block]

		December 31, 2017				December 31, 2016
Raw materials			136				61
Less: Reserve			(2	)			(2	)
Inventories, net		$	134			$	59

Schedule of Intangible Assets and Goodwill [Table Text Block]

		December 3 1 , 201 7								December 31, 201 6
		Gross								Gross
		Carrying				Accumulated				Carrying				Accumulated
		Amount				Amortization				Amount				Amortization
Intangible assets not subject to amortization:
Goodwill		$	1,907				-			$	1,907				-
Intangible assets subject to amortization:
Customer relationships		$	906			$	(418	)		$	906			$	(327	)
Acquired software		$	234			$	(216	)		$	234			$	(169	)
Trade name		$	60			$	(5	)		$	60				-

Property, Plant and Equipment [Table Text Block]

		Estimated Useful						December 31,
		Lives (in years)						2017				2016
Vehicles				5				$	32			$	32
Trade equipment				5					162				162
Leasehold improvements			2	–	5				378				292
Furniture and fixtures				7					18				16
Computer equipment and software				3					1,448				1,324
									2,038				1,826
Less accumulated depreciation									(1,620	)			(1,282	)
Property and equipment, net								$	418			$	544

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

		December 31,
		2017				201 6
Accounts payable		$	1,413			$	3,652
Accrued expenses			847				1,053
Compensation, benefits and related taxes			567				576
Other accrued expenses			14				38
Total accounts payable and accrued expenses		$	2,841			$	5,319

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- Definition

Tabular disclosure of financing receivables that are past due but not impaired, financing receivables that are 90 days past due and still accruing, and financing receivables on nonaccrual status.

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