Class of warrant or right, expiration of warrants issued.

No definition available.

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Namespace Prefix:	drne_
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Balance Type:	na
Period Type:	duration

- Definition

Number of warrants issued to purchase common stock.

+ References

No definition available.

+ Details

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Namespace Prefix:	drne_
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Balance Type:	na
Period Type:	duration

- Definition

Share based compensation arrangement by sharebased payment award compensation cost.

+ References

No definition available.

+ Details

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Namespace Prefix:	drne_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- References

No definition available.

+ Details

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Namespace Prefix:	drne_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Exercise price of the warrants.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Article 12
-Section 13
-Sentence Column A

+ Details

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Namespace Prefix:	invest_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	duration

- Definition

Expiration date of warrants held.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Article 12
-Section 13
-Sentence Column A

+ Details

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Namespace Prefix:	invest_
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Period Type:	duration

- Definition

Number of securities into which the class of warrant or right may be converted. For example, but not limited to, 500,000 warrants may be converted into 1,000,000 shares.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(i)(2))
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Definition

Amount of expense (income) related to adjustment to fair value of warrant liability.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 480
-SubTopic 10
-Section 25
-Paragraph 13
-URI http://asc.fasb.org/extlink&oid=6939902&loc=d3e20148-110875

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3602-108585

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3602-108585

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(iii)
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	instant

- Definition

Amount of capitalized and expensed compensation cost from equity-based compensation arrangements.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (h)(1)
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

+ Details

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Balance Type:	debit
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- Details

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Namespace Prefix:
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- Details

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- Details

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- Details

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- Details

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Warrants (Details Textual) - USD ($)			1 Months Ended	6 Months Ended	9 Months Ended	12 Months Ended
Warrants (Details Textual) - USD ($)	Aug. 03, 2017	Jun. 10, 2017	Nov. 09, 2017	Jun. 30, 2017	Sep. 30, 2017	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Warrants (Textual)
Compensation expense recognized						$ 18,456
Stock based compensation					$ 1,488,596	6,602,806	$ 5,553,026
2015 Equity Plan [Member]
Warrants (Textual)
Compensation expense recognized						3,354,097
Stock based compensation				$ 970,067	$ 1,488,596
Warrant exercise price	$ 1.00
Warrant [Member]
Warrants (Textual)
Warrants issued to purchase common stock	2,000,000						60,000
Exercise price of warrant							$ 2.91
Warrants expiration date	Aug. 03, 2022						Apr. 27, 2019
Compensation expense recognized						$ 1,391,793	$ 118,681
Estimate fair value warrant, shares						2,050,000		12,500
Warrants expired that were issued								12,500
Fair value of warrants								$ 0
Fair value warrants vested		12,500
Stock based compensation						$ (3,467)	$ 118,681
Warrant exercise price	$ 1.00
Warrant [Member] \| 2011 [Member]
Warrants (Textual)
Warrants expired that were issued							10,472
Warrant [Member] \| 2015 Equity Plan [Member]
Warrants (Textual)
Warrants issued to purchase common stock	30,000		20,000
Exercise price of warrant			$ 1.35
Warrants expiration date	Aug. 03, 2021		Nov. 09, 2021
Compensation expense recognized						$ 19,269
Warrant exercise price	$ 1.00
Warrant [Member] \| Maximum [Member] \| 2011 [Member]
Warrants (Textual)
Exercise price of warrant							$ 404.50
Warrant [Member] \| Minimum [Member] \| 2011 [Member]
Warrants (Textual)
Exercise price of warrant							$ 141.00