Net (Loss) Income Per Common Share - Additional Information (Details)	3 Months Ended	6 Months Ended
Aug. 31, 2019 shares	Aug. 31, 2018 shares	Aug. 31, 2019 shares	Aug. 31, 2018 shares
Net Income Per Common Share [Abstract]
Reconciling Items to Basic and Diluted EPS			0
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	657,015	615,267	642,280	527,283

Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257

Name:	us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration