SUBSEQUENT EVENTS (Details Narrative) $ in Thousands	1 Months Ended
Apr. 30, 2017 USD ($)
Subsequent Event [Member] \| Internal Revenue Service [Member] \| Minimum [Member] \| Pioneer Critical Power, Inc. [Member]
Amount of abate for interest and penalities	$ 100

The amount of abatement for penalties and interest for unpaid payroll taxes from IRS.

No definition available.

Name:	ppsi_AmountOfAbateForInterestAndPenalities
Namespace Prefix:	ppsi_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration