Note 4 - Property, Plant and Equipment (Tables)

9 Months Ended

Sep. 30, 2019

Notes Tables

Property, Plant and Equipment [Table Text Block]

	September 30,			December 31,
	2019			2018
Fixed Assets
Computers	$	392		$	164
Furniture, fixtures, and equipment		472			316
Leasehold improvements		546			420
Total fixed assets		1,410			900
Less: accumulated depreciation		(706	)		(542	)
Total fixed assets, net		704			358
Project Assets (not placed in service)
Rio Grande		107,160			80,407
Rio Bravo		12,054			11,305
Total project assets		119,214			91,712
Total property, plant and equipment, net	$	119,918		$	92,070