Annual report pursuant to Section 13 and 15(d)

Consolidated Statements of Cash Flows (Parenthetical)

v2.4.1.9
Consolidated Statements of Cash Flows (Parenthetical) (USD $)
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Statement of Cash Flows [Abstract]    
Offering costs net $ 79,184WSTI_OfferingCostsNet $ 109,000WSTI_OfferingCostsNet