XML 44 R30.htm IDEA: XBRL DOCUMENT v3.10.0.1

Stock-Based Compensation (Tables)

12 Months Ended

Dec. 31, 2018

Stock-Based Compensation

Summary of stock-based compensation expense

		Year Ended December 31,
		2018			2017			2016
Stock options		$	—		$	—		$	42
Restricted stock awards			915			495			347
Restricted stock unit awards			122			161			73
Common stock awards			331			320			417
Total compensation expense		$	1,368		$	976		$	879

Summary of Company's employee stock options and activity

		Number of Stock Options			Weighted Average Exercise Price			Weighted Average Remaining Contractual Term in Years
		(as adjusted)			(as adjusted)
Balance as of December 31, 2017			326,460		$	11.79
Forfeited			(42,516)		$	12.48
Expired			(196,447)		$	11.88
Balance as of December 31, 2018			87,497		$	11.23			0.58
Exercisable as of December 31, 2018			87,497		$	11.23			0.58

Summary of the Company's nonvested non-participating restricted stock awards

		Number of Restricted Stock Awards			Weighted Average Grant Date Fair Value
		(as adjusted)
Nonvested as of December 31, 2017			74,724		$	4.19
Vested			(8,750)		$	8.21
Nonvested as of December 31, 2018			65,974		$	3.65

Summary of the Company's nonvested restricted stock unit awards

		Number of Restricted Stock Unit Awards			Weighted Average Grant Date Fair Value
		(as adjusted)
Nonvested as of December 31, 2017			413,385		$	3.60
Granted			268,000		$	7.14
Vested			(43,050)		$	4.40
Forfeited			(11,250)		$	5.63
Nonvested as of December 31, 2018			627,085		$	5.03

Summary of common shares with immediate vesting granted to outside directors and employees

		Number of Common Stock Awards			Weighted Average Grant Date Fair Value
Year ended December 31, 2018			59,284		$	5.59
Year ended December 31, 2017			67,498		$	4.74
Year ended December 31, 2016			66,200		$	6.31

X

- Definition

Tabular disclosure of the number and weighted-average exercise prices (or conversion ratios) for stock awards granted to employees and outside directors that were outstanding at the beginning and end of the year.

+ References

No definition available.

+ Details

Name:	dwsn_ScheduleOfShareBasedCompensationEmployeesAndOutsideDirectorStockAwardPlanActivityTableTextBlock
Namespace Prefix:	dwsn_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- References

No definition available.

+ Details

Name:	us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of the changes in outstanding nonvested restricted stock shares.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901

+ Details

Name:	us-gaap_NonvestedRestrictedStockSharesActivityTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of the amount of total share-based compensation cost, including the amounts attributable to each share-based compensation plan and any related tax benefits.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (h)(1)
-URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901

+ Details

Name:	us-gaap_ScheduleOfCompensationCostForShareBasedPaymentArrangementsAllocationOfShareBasedCompensationCostsByPlanTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of the changes in outstanding nonvested restricted stock units.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(2)
-URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901

+ Details

Name:	us-gaap_ScheduleOfNonvestedRestrictedStockUnitsActivityTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (e)
-URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)
-URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901

+ Details

Name:	us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration