XML 22 R29.htm IDEA: XBRL DOCUMENT v3.20.1
DESCRIPTION OF BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Revenue Recognition (Details) - ASU 2014-09 - ASC 606 Adjustment
Feb. 01, 2018
USD ($)
Revenue Recognition  
Accumulated deficit adjustment $ 2,000
Deferred revenue decrease $ 2,000