Quarterly report pursuant to Section 13 or 15(d)

Accrued Liabilities - Schedule of Accrued Liabilities (Details)

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Accrued Liabilities - Schedule of Accrued Liabilities (Details) - USD ($)
$ in Thousands
Mar. 31, 2019
Dec. 31, 2018
Payables and Accruals [Abstract]    
Payroll and related expense $ 374 $ 388
Resterilization and repackaging costs 344 344
Other 79 106
Total accrued liabilities $ 797 $ 838