Slicers (applies to each fact value in each table cell)

Reporting Entity [Axis]

0001251769 (http://www.sec.gov/CIK)

Payables and Accruals [Abstract]	Period [Axis]
	2016-01-01 - 2016-12-31
Payables and Accruals [Abstract]
Schedule of Accrued Expenses	Accrued expenses consist of the following as of December 31:     2016   2015 Accrued compensation and travel   $ 3,040   $ 3,447 Accrued professional service fees   1,521   608 Accrued returns and rebates   366   453 Accrued insurance, property and sales taxes   256   618 Accrued interest   186   155 Deferred rent   152   173 Deferred revenue   88   — Other   1,021   1,092 Total accrued expenses   $ 6,630   $ 6,546