RELATED PARTY TRANSACTIONS (Tables)

3 Months Ended

Mar. 31, 2018

RELATED PARTY TRANSACTIONS

Schedule of related party transactions

	Three months ended March 31,
	2018				2017
	Due from Qualstar		Due to Qualstar		Due from Qualstar		Due to Qualstar
	(in thousands)
Balance at January 1,	$	17	$	—	$	2	$	1
Billed to Qualstar by Interlink		64		—		6		—
Paid by Qualstar to Interlink		(59)		—		(8)		—
Billed to Interlink by Qualstar		—		4		—		2
Paid by Interlink to Qualstar		—		(3)		—		(2)
Balance at March 31,	$	22	$	1	$	—	$	1