Other Accrued Liabilities

9 Months Ended

Sep. 30, 2020

Other Accrued Liabilities [Abstract]

Other Accrued Liabilities

12. Other Accrued Liabilities

Other accrued liabilities consisted of the following at:

		September 30, 2020		December 31, ‎2019
Pension	$	120	$	120
Postretirement benefit obligation		71		71
Accrued stock compensation		400		-
Deferred revenue		250		327
Current self-fitting software liability		253		285
Current technology access liability		989		1,236
Current earn-out contingent consideration liability		1,251		-
Other		1,095		830
Total	$	4,429	$	2,869

Accrued stock compensation relates to unvested stock awards accounted for as liabilities.

Technology access liabilities are due in equal quarterly installments through January 2022.

The earn-out liability is contingent on certain future events and is measured at fair value based on various level 3 inputs and assumptions including forecasts, probabilities of payment and discount rates. Amounts are classified as current if expected to be paid within the next twelve months. The liability for contingent consideration is subject to fair value adjustments each reporting period that will be recognized through the statement of operations. see Note 3.