CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHNSIVE LOSS (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Income Statement [Abstract]
Revenue	$ 3,220	$ 1,826	$ 6,670	$ 5,603
Cost of revenue	2,124	1,123	4,136	3,526
Gross profit	1,096	703	2,534	2,077
Operating expenses
Engineering and product development	306	147	798	511
Selling and marketing	423	235	1,045	723
General and administrative	1,685	404	4,240	1,115
Total operating expenses	2,414	786	6,083	2,349
Loss from operations	(1,318)	(83)	(3,549)	(272)
Interest (expense) income, net	(753)	23	(1,367)	85
Loss before income taxes	(2,071)	(60)	(4,916)	(187)
Income tax benefit		22		22
Net loss	(2,071)	(38)	(4,916)	(165)
Less: Net loss attributable to non-controlling interest	104		216
Net loss attributable to Digital Power Corp	(1,967)	(38)	(4,700)	(165)
Preferred deemed dividends			(319)
Preferred dividends	(27)		(35)
Loss available to common shareholders	$ (1,994)	$ (38)	$ (5,054)	$ (165)
Basic and diluted net loss per common share (in dollars per share)	$ (0.15)	$ (0.01)	$ (0.46)	$ (0.02)
Basic and diluted weighted average common shares outstanding (in shares)	13,745,540	6,775,971	10,884,948	6,775,971
Comprehensive Loss
Loss available to common shareholders	$ (1,994)	$ (38)	$ (5,054)	$ (165)
Other comprehensive income (loss)
Change in net foreign currency translation adjustments	42	(55)	141	(265)
Net unrealized loss on securities available-for-sale, net of income taxes	(43)		(43)
Other comprehensive income (loss)	(1)	(55)	98	(265)
Total Comprehensive loss	$ (1,995)	$ (93)	$ (4,956)	$ (430)