XML 45 R28.htm IDEA: XBRL DOCUMENT
v3.8.0.1

NOTE 11 - SHARE-BASED COMPENSATION (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2017
Note 11 - Share-based Compensation Tables |
Impact on operations of recording share-based compensation |
|  | Year Ended December 31,
|  | 2017 |  | 2016
(in thousands) |  |  |  |
Cost of goods sold |  | $ | 18 |  |  | $ | 13 |
Research and development |  |  | 164 |  |  |  | 106 |
Selling, general and administrative |  |  | 532 |  |  |  | 401 |
Total share-based compensation |  | $ | 714 |  |  | $ | 520 |
Fair value of share-based awards for employee stock options |
|  | Employee Stock
|  | Options
|  | 2017 |  | 2016
Risk-free interest rates |  |  | 1.72 | % |  |  | N/A |
Volatility factors |  |  | 0.62 |  |  |  | N/A |
Expected life of the option in years |  |  | 4.0 |  |  |  | N/A |
Expected dividend yield |  |  | None |  |  |  | N/A |
Stock option grants |
|  | 2017 |  | 2016
|  | Options |  | Weighted-Average Exercise Price |  | Weighted-Average Remaining Contractual Life in Years |  | Options |  | Weighted-Average Exercise Price |  | Weighted-Average Remaining Contractual Life in Years
Outstanding at beginning of year |  |  | 376,000 |  |  | $ | 2.95 |  |  |  |  |  |  |  | 574,000 |  |  | $ | 2.97 |  |  |  |  |
Granted |  |  | 25,000 |  |  |  | 8.03 |  |  |  |  |  |  |  | — |  |  |  | 0.00 |  |  |  |  |
Exercised |  |  | (346,000 | ) |  |  | 2.83 |  |  |  |  |  |  |  | (130,000 | ) |  |  | 2.38 |  |  |  |  |
Cancelled, Expired or |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Forfeited |  |  | (15,000 | ) |  |  | 6.01 |  |  |  |  |  |  |  | (68,000 | ) |  |  | 4.25 |  |  |  |  |
Outstanding at end of year |  |  | 40,000 |  |  | $ | 6.10 |  |  |  | 3.60 |  |  |  | 376,000 |  |  | $ | 2.95 |  |  |  | 1.67 |
Vested or expected to vest at the end of the period |  |  | 34,460 |  |  | $ | 5.79 |  |  |  | 3.29 |  |  |  | 375,055 |  |  | $ | 2.96 |  |  |  | 1.67 |
Exercisable at end of year |  |  | 16,563 |  |  | $ | 3.37 |  |  |  | 0.91 |  |  |  | 357,250 |  |  | $ | 3.00 |  |  |  | 1.62 |
Restricted stock award including performance-based stock award activity under our share-based compensation plan |
|  | 2017 |  | 2016
|  | Awards |  | Weighted - Average Grant Date Fair Value |  | Awards |  | Weighted - Average Grant Date Fair Value
Outstanding at beginning of year |  |  | 464,850 |  |  | $ | 2.78 |  |  |  | 389,100 |  |  | $ | 2.86 |
Granted |  |  | 287,600 |  |  |  | 7.29 |  |  |  | 227,100 |  |  |  | 2.61 |
Vested |  |  | (181,725 | ) |  |  | 2.72 |  |  |  | (148,100 | ) |  |  | 2.72 |
Cancelled |  |  | (4,875 | ) |  |  | 3.06 |  |  |  | (3,250 | ) |  |  | 2.73 |
Outstanding at end of year |  |  | 565,850 |  |  | $ | 5.09 |  |  |  | 464,850 |  |  | $ | 2.78 |
Unvested options grants and restricted stock awards |
|  | December 31, 2017 |  | December 31, 2016
Unamortized future compensation expense |  | $ | 2,560,844 |  |  | $ | 1,093,144 |
Remaining weighted average amortization period in years |  |  | 2.98 |  |  |  | 2.53 |

X
- References No definition available. + Details
Name: | DAIO_SharebasedCompensationTablesAbstract
Namespace Prefix: | DAIO_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | DAIO_UnvestedOptionsGrantsAndRestrictedStockAwards
Namespace Prefix: | DAIO_
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://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
Name: | us-gaap_ScheduleOfCompensationCostForShareBasedPaymentArrangementsAllocationOfShareBasedCompensationCostsByPlanTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the number and weighted-average grant date fair value for restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock units that were granted, vested, or forfeited during the year. + 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) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 + Details
Name: | us-gaap_ScheduleOfShareBasedCompensationRestrictedStockUnitsAwardActivityTableTextBlock
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://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 + Details
Name: | us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions. + 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 (f)(2) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 + Details
Name: | us-gaap_ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration