XML 71 R55.htm IDEA: XBRL DOCUMENT
v3.19.1

Stockholders' Equity (Details 1) - Common Stock - USD ($) | 12 Months Ended | 264 Months Ended |
--- | --- | --- | ---
Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2018 | Aug. 31, 2014
Stock repurchase program |  |  |  |
Dividends paid (in dollars per share) | $ 0 | $ 0 |  |
Stock repurchased under current and previously announced share repurchase programs |  |  | $ 1,200,000,000 |
Stock repurchased under current and previously announced share repurchase programs (in shares) |  |  | 6,800,000 |
2012 Stock Repurchase program |  |  |  |
Stock repurchase program |  |  |  |
Authorized amount to repurchase shares |  |  |  | $ 20,000,000
Common stock repurchased (in shares) | 0 | 0 |  |
Remaining amount available to repurchase shares | $ 11,400,000 |  | $ 11,400,000 |
Common stock received in lieu of cash from stock option exercises and vesting of non-vested shares (in shares) | 3,541 |  |  |
Common stock received in lieu of cash from stock option exercises and vesting of non-vested shares | $ 30,000 |  |  |

X
- Definition Shares of common stock received by the entity in lieu of cash upon exercise of stock options and vesting of non-vested shares. + References No definition available. + Details
Name: | hhs_StockReceivedDuringPeriodSharesStockOptionExercisesAndVestingOfNonvestedShares
Namespace Prefix: | hhs_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Equity impact of the value of shares of common stock received by the Company in lieu of cash upon exercise of stock options and vesting of non-vested shares. + References No definition available. + Details
Name: | hhs_StockReceivedDuringPeriodValueStockOptionExercisesAndVestingOfNonvestedShares
Namespace Prefix: | hhs_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Stock Repurchased Under Share Repurchase Programs, Shares + References No definition available. + Details
Name: | hhs_StockRepurchasedUnderShareRepurchaseProgramsShares
Namespace Prefix: | hhs_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Stock Repurchased Under Share Repurchase Programs, Value + References No definition available. + Details
Name: | hhs_StockRepurchasedUnderShareRepurchaseProgramsValue
Namespace Prefix: | hhs_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Aggregate dividends paid during the period for each share of common stock outstanding. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 + Details
Name: | us-gaap_CommonStockDividendsPerShareCashPaid
Namespace Prefix: | us-gaap_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_EquityClassOfTreasuryStockLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of stock repurchase plan authorized. + References No definition available. + Details
Name: | us-gaap_StockRepurchaseProgramAuthorizedAmount1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount remaining of a stock repurchase plan authorized. + References No definition available. + Details
Name: | us-gaap_StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21463-112644 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(29)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(28)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_StockRepurchasedDuringPeriodShares
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_StatementClassOfStockAxis=us-gaap_CommonStockMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ShareRepurchaseProgramAxis=hhs_ShareRepurchaseProgram2012Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |