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Dsit Solutions, Ltd. ('DSIT') (Details Narrative) - USD ($) $ in Thousands		8 Months Ended	12 Months Ended
	Apr. 21, 2016	Dec. 31, 2016	Dec. 31, 2017	Dec. 31, 2016	Sep. 30, 2017
Percentage of investment in DSIT determined based on holdings			41.20%
Loan due from Acorn			$ 340
Unreimbursed expenses			$ 999
Debt interest rate			3.15%		8.00%
Debt maturity date			Apr. 30, 2018
Amounts related to provisions for vacation and severance for acorn			$ 285
Proceeds before transaction cost and withholding taxes			5,800
Impairment of investment in DSIT			(308)
DSIT Solutions, Ltd [Member]
Gross proceeds of sale before escrow, israeli withholding taxes and fees	$ 4,913
Escrow deposit	579
Withholding tax paid	266
Transaction costs	184
Gain on sale of transaction	3,543
Step-up value of transaction	$ 2,574
Pro rata share of earn-out	82.40%
Earn - out amount	$ 1,000
Pro-rata share earn out over the period	3 years
Proceeds from the exercise of DSIT options	$ 391
Investment in DSIT-fair value amount	5,390
Value attributed to DSIT	$ 13,100
DSIT Solutions, Ltd [Member] | Prior Options Exercise [Member]
Percentage of investment in DSIT determined based on holdings	88.30%
DSIT Solutions, Ltd [Member] | Post Options Exercise [Member]
Percentage of investment in DSIT determined based on holdings	78.70%
Prior DSIT Transaction [Member]
Percentage of investment in DSIT determined based on holdings	78.70%
Post DSIT Transaction [Member]
Percentage of investment in DSIT determined based on holdings	41.20%
2016 DSIT Transaction [Member] | Israeli Withholding Taxes On Escrow Amount [Member]
Withholding tax paid			$ 42

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