Certain Balance Sheet Items (Tables)

9 Months Ended

Sep. 30, 2020

Balance Sheet Related Disclosures [Abstract]

Schedule of Inventory, Current [Table Text Block]

The following table summarizes inventories (in thousands):

	September 30, 2020		December 31, 2019
Raw materials	$	120	$	92
Work in process	166		137
Finished goods	373		524
	$	659	$	753

Schedule of Other Current Assets [Table Text Block]

The following table summarizes other current assets (in thousands):

	September 30, 2020		December 31, 2019
Prepaid services	$	632	$	23
Prepaid insurance	169		184
Transition service agreement	78		345
Deferred cost - service contracts	108		118
Other	11		—
	$	998	$	670

Schedule of Other Assets, Noncurrent [Table Text Block]

The following table summarizes other assets (in thousands):

	September 30, 2020		December 31, 2019
Convertible promissory note receivable long-term	$	3,128	$	—
Prepaid insurance and services	418		519
Deferred cost – service contracts	75		154
Other	15		6
	$	3,636	$	679