Note 5 - Equipment, Net

6 Months Ended

Dec. 31, 2017

Notes to Financial Statements

Property, Plant and Equipment Disclosure [Text Block]

5

.     

Equipment

, Net

Equipment

consisted of the following:

	Six Months Ended December 31,			Years Ended June 30,
	2017			2017			2016			Estimated Useful Life (years)
Machinery and equipment	$	6,507,000		$	5,772,000		$	6,604,000		2.5	-	10
Computer and software		718,000			733,000			397,000		2	-	5
Office equipment		253,000			427,000			260,000		5	-	10
Leasehold improvements		528,000			227,000			149,000		Shorter of 5 years or remaining lease term
Total equipment		8,006,000			7,159,000			7,410,000
Less accumulated depreciation and amortization		(5,010,000	)		(4,829,000	)		(4,448,000	)
Total equipment, net	$	2,996,000		$	2,330,000		$	2,962,000

Depreciation

and amortization expense for the

six

months ended

December 31, 2017

was

$254,000

and for the years ended

June 30, 2017

and

2016

was

$408,000

and

$630,000,

respectively.