The Company (Details Textual) - USD ($)	1 Months Ended	6 Months Ended
	Jan. 30, 2018	Jun. 30, 2018
Ownership Holding Description Immediately After Business Combination	Following the closing of the Reverse Merger, holders of WPCS’s common stock immediately prior to the Reverse Merger owned approximately 22.9% on a fully diluted basis, and holders of Private DropCar common stock immediately prior to the Reverse Merger owned approximately 77.1% on a fully diluted basis, of WPCS’s common stock.
Business Combination, Consideration Transferred, Equity Interests Issued and Issuable	$ 9,800,000	$ 9,792,000
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Cash and Equivalents	4,947,000
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Receivables	3,934,000
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Other	318,000
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities	$ 2,535,000
Common Stock [Member]
Stock Issued During Period, Shares, Conversion of Units		4,685,164
Private Drop Car [Member]
Business Combination, Control Obtained Description	As a result of the Reverse Merger, each outstanding share of Private DropCar share capital (including shares of Private DropCar share capital issued upon the conversion of outstanding convertible debt) automatically converted into the right to receive approximately 0.3273 shares of WPCS’s common stock, par value $0.0001 per share (the “Exchange Ratio”).
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	10 years