Income Tax Disclosure [Abstract]
Income Taxes
Income Tax Disclosure [Text Block]
Commitments and Contingencies Disclosure [Abstract]
Commitments
Commitments Disclosure [Text Block]
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Organization and Business Activities
Business Description and Basis of Presentation [Text Block]
Goodwill and Intangible Assets Disclosure [Abstract]
Schedule of Intangible Asset
Schedule of Finite-Lived Intangible Assets [Table Text Block]
Schedule of Future Amortization Expense of Finite-Lived Intangible Assets
Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]
Legal Proceedings
Legal Matters and Contingencies [Text Block]
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]
Schedule of Common Stock Repurchased
Class of Treasury Stock [Table Text Block]
Summary of Stock Options, RSU and PSU Activity
Share-based Compensation, Activity [Table Text Block]
Fair Value of Stock Options
Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]
Schedule of Compensation Cost for Share-based Payment Arrangements, Allocation of Share-based Compensation Costs by Plan [Table Text Block]
Schedule of Compensation Cost for Share-based Payment Arrangements, Allocation of Share-based Compensation Costs by Plan [Table Text Block]
Business Combinations [Abstract]
Acquisitions
Business Combination Disclosure [Text Block]
Document and Entity Information [Abstract]
Document and Entity Information [Abstract]
Entity Registrant Name
Entity Registrant Name
Entity Central Index Key
Entity Central Index Key
Current Fiscal Year End Date
Current Fiscal Year End Date
Entity Filer Category
Entity Filer Category
Document Type
Document Type
Document Period End Date
Document Period End Date
Document Fiscal Year Focus
Document Fiscal Year Focus
Document Fiscal Period Focus
Document Fiscal Period Focus
Amendment Flag
Amendment Flag
Entity Emerging Growth Company
Entity Emerging Growth Company
Entity Small Business
Entity Small Business
Entity Common Stock, Shares Outstanding (in shares)
Entity Common Stock, Shares Outstanding
Accounting Policies [Abstract]
Disaggregation of Revenue [Table]
Disaggregation of Revenue [Table]
Counterparty Name [Axis]
Counterparty Name [Axis]
Counterparty Name [Domain]
Counterparty Name [Domain]
Teva Pharmaceuticals
Teva Pharmaceuticals [Member]
Teva Pharmaceuticals [Member]
Range [Axis]
Range [Axis]
Range [Domain]
Range [Domain]
Minimum
Minimum [Member]
Maximum
Maximum [Member]
Product and Service [Axis]
Product and Service [Axis]
Product and Service [Domain]
Product and Service [Domain]
Argatroban and Bendeka
Argatroban and Bendeka [Member]
Argatroban and Bendeka [Member]
Bendeka
Bendeka [Member]
Bendeka [Member]
EP-1101
EP-1101 [Member]
EP-1101 [Member]
Customer [Axis]
Customer [Axis]
Customer [Domain]
Customer [Domain]
Cephalon, Inc.
Cephalon, Inc. [Member]
Cephalon, Inc. [Member]
Disaggregation of Revenue [Line Items]
Disaggregation of Revenue [Line Items]
Goodwill impairment loss
Goodwill, Impairment Loss
Proceeds from milestone payment
Proceeds from License Fees Received
Number of vendors
Number of Vendors
Number of Vendors
Advertising and marketing costs
Marketing and Advertising Expense
Period after quarter commercial partners report net product sales
Royalty Revenue, Commercial Partners' Obligation of Sales Report, Term
Royalty Revenue, Commercial Partners' Obligation of Sales Report, Term
Licensing agreement, milestone proceeds
Licensing Agreement, Milestone Proceeds
Licensing Agreement, Milestone Proceeds
Licensing agreement, proceeds from unique billing code
Licensing Agreement, Proceeds From Unique Billing Code
Licensing Agreement, Proceeds From Unique Billing Code
Milestone payment benchmark, net sales
License Agreements, Milestone Payment Benchmark, Net Sales
License Agreements, Milestone Payment Benchmark, Net Sales
Royalty revenue, percentage of net sales
Royalty Revenue, Percentage of Net Sales
Royalty Revenue, Percentage of Net Sales
Upfront payment from license agreement
License Agreement, Proceeds From Upfront Payment
License Agreement, Proceeds From Upfront Payment
Common Stock and Stock-Based Compensation
Disclosure of Compensation Related Costs, Share-based Payments [Text Block]
Balance Sheet Related Disclosures [Abstract]
Balance Sheet Accounts
Supplemental Balance Sheet Disclosures [Text Block]
Schedule of Revenues and Accounts Receivables By Major Customers
Schedule of Revenue by Major Customers by Reporting Segments [Table Text Block]
Schedule of Dilutive and Anti-Dilutive Common Shares Equivalents Outstanding
Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block]
Computation for Basic and Diluted Net Income (Loss) Per Share
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
Statement of Financial Position [Abstract]
ASSETS
Assets [Abstract]
Current assets:
Assets, Current [Abstract]
Cash and cash equivalents
Cash and Cash Equivalents, at Carrying Value
Accounts receivable, net
Accounts Receivable, Net, Current
Inventory
Inventory, Net
Prepaid expenses and other current assets
Prepaid Expense and Other Assets, Current
Total current assets
Assets, Current
Property and equipment, net
Property, Plant and Equipment, Net
Intangible assets, net
Intangible Assets, Net (Excluding Goodwill)
Goodwill
Goodwill
Deferred tax asset, net
Deferred Income Tax Assets, Net
Other assets
Other Assets, Noncurrent
Total assets
Assets
LIABILITIES AND STOCKHOLDERS' EQUITY
Liabilities and Equity [Abstract]
Current liabilities:
Liabilities, Current [Abstract]
Accounts payable
Accounts Payable, Current
Accrued expenses
Accrued Liabilities, Current
Current portion of contingent consideration
Business Combination, Contingent Consideration, Liability, Current
Current portion of long-term debt
Long-term Debt, Current Maturities
Total current liabilities
Liabilities, Current
Contingent consideration, less current portion
Business Combination, Contingent Consideration, Liability, Noncurrent
Long-term debt, less current portion
Long-term Debt, Excluding Current Maturities
Commitments and contingencies
Commitments and Contingencies
Stockholders' equity:
Stockholders' Equity Attributable to Parent [Abstract]
Preferred stock, 1,500,000 shares authorized and no shares issued or outstanding as of September 30, 2018 and December 31, 2017
Preferred Stock, Value, Issued
Common stock, $0.001 par value; 50,000,000 shares authorized; 16,503,283 and 16,089,439 shares issued as of September 30, 2018 and December 31, 2017, respectively
Common Stock, Value, Issued
Additional paid in capital
Additional Paid in Capital
Retained earnings
Retained Earnings (Accumulated Deficit)
Treasury stock, at cost, 1,582,666 and 1,241,695 shares as of September 30, 2018 and December 31, 2017, respectively
Treasury Stock, Value
Total stockholders' equity
Stockholders' Equity Attributable to Parent
Total liabilities and stockholders' equity
Liabilities and Equity
Schedule of Business Acquisitions, by Acquisition [Table]
Schedule of Business Acquisitions, by Acquisition [Table]
Contingent Consideration by Type [Axis]
Contingent Consideration by Type [Axis]
Contingent Consideration Type [Domain]
Contingent Consideration Type [Domain]
Royalties on Gross Profits
Royalties on Gross Profits [Member]
Royalties on Gross Profits [Member]
Business Acquisition [Axis]
Business Acquisition [Axis]
Business Acquisition, Acquiree [Domain]
Business Acquisition, Acquiree [Domain]
Non-Alcohol Docetaxel Injection
Non-Alcohol Docetaxel Injection [Member]
Non-Alcohol Docetaxel Injection [Member]
Finite-Lived Intangible Assets by Major Class [Axis]
Finite-Lived Intangible Assets by Major Class [Axis]
Finite-Lived Intangible Assets, Major Class Name [Domain]
Finite-Lived Intangible Assets, Major Class Name [Domain]
Docetaxel product rights
Licensing Agreements [Member]
Business Acquisition [Line Items]
Business Acquisition [Line Items]
Payments to acquire business
Payments to Acquire Businesses, Gross
Contingent consideration, percentage of gross profits
Business Combination, Contingent Consideration, Liability, Percentage of Gross Profits
Business Combination, Contingent Consideration, Liability, Percentage of Gross Profits
Change in fair value of contingent consideration
Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration, Liability
Total consideration
Business Combination, Consideration Transferred
Schedule of Finite-Lived Intangible Assets [Table]
Schedule of Finite-Lived Intangible Assets [Table]
Ryanodex intangible
Royalty Buy-Back Agreement [Member]
Royalty Buy-Back Agreement [Member]
Developed technology
Developed Technology [Member]
Developed Technology [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets [Line Items]
Useful Life (In Years)
Finite-Lived Intangible Asset, Useful Life
Gross Carrying Amount
Finite-Lived Intangible Assets, Gross
Accumulated Amortization
Finite-Lived Intangible Assets, Accumulated Amortization
Impairment Charge
Finite-Lived Intangible Assets, Impairment
Finite-Lived Intangible Assets, Impairment
Net Book Value
Finite-Lived Intangible Assets, Net
Amortization of intangible assets
Amortization of Intangible Assets
Asset impairment charge
Asset Impairment Charges
Schedule of Operating Lease Obligations and Purchase Obligations
Contractual Obligation, Fiscal Year Maturity Schedule [Table Text Block]
Inventory Disclosure [Abstract]
Schedule of Inventories
Schedule of Inventory, Current [Table Text Block]
2018 (remainder)
Finite-Lived Intangible Assets, Amortization Expense, Remainder of Fiscal Year
2019
Finite-Lived Intangible Assets, Amortization Expense, Year Two
2020
Finite-Lived Intangible Assets, Amortization Expense, Year Three
2021
Finite-Lived Intangible Assets, Amortization Expense, Year Four
2022
Finite-Lived Intangible Assets, Amortization Expense, Year Five
Thereafter
Finite-Lived Intangible Assets, Amortization Expense, after Year Five
Eagle Biologics
Eagle Biologics [Member]
Eagle Biologics [Member]
Contingent Consideration Liability [Roll Forward]
Contingent Consideration Liability [Roll Forward]
Contingent Consideration Liability [Roll Forward]
Opening Balance
Business Combination, Contingent Consideration, Liability
Changes in fair value
Payment of contingent consideration
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Settlements
Closing Balance
Income Statement [Abstract]
Statement [Table]
Statement [Table]
Product sales
Product [Member]
Royalty revenue
Royalty [Member]
License and other revenue
License [Member]
Statement [Line Items]
Statement [Line Items]
Revenue:
Revenues [Abstract]
Total revenue
Revenue from Contract with Customer, Excluding Assessed Tax
Operating expenses:
Operating Expenses [Abstract]
Cost of product sales
Cost of Goods and Services Sold
Cost of royalty revenue
Royalty Expense
Research and development
Research and Development Expense
Selling, general and administrative
Selling, General and Administrative Expense
Restructuring charge
Restructuring Charges
Total operating expenses
Operating Expenses
Income from operations
Operating Income (Loss)
Interest income
Investment Income, Interest
Interest expense
Interest Expense
Total other expense, net
Nonoperating Income (Expense)
Income tax (provision) benefit
Income Tax Expense (Benefit)
Net Income
Net Income (Loss) Attributable to Parent
Earnings per share attributable to common stockholders:
Earnings Per Share [Abstract]
Basic (in usd per share)
Earnings Per Share, Basic
Diluted (in usd per share)
Earnings Per Share, Diluted
Weighted average number of common shares outstanding:
Weighted Average Number of Shares Outstanding Reconciliation [Abstract]
Basic (in shares)
Weighted Average Number of Shares Outstanding, Basic
Diluted (in shares)
Weighted Average Number of Shares Outstanding, Diluted
Schedule of Contingent Consideration Liability
Schedule of Business Acquisitions by Acquisition, Contingent Consideration [Table Text Block]
Milestone Payments
Milestone Payments [Member]
Milestone Payments [Member]
Business combination equity consideration (in shares)
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares
Business combination equity consideration
Business Combination, Consideration Transferred, Equity Interests Issued and Issuable
Business combination, contingent consideration range of outcome high
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High
Business combination consideration including contingent consideration
Business Combination, Consideration Transferred, Including Contingent Consideration Arrangements, Range of Outcomes, High
Business Combination, Consideration Transferred, Including Contingent Consideration Arrangements, Range of Outcomes, High
Number of milestone payments
Business Combination, Contingent Consideration, Liability, Number of Separate Milestone Payments
Business Combination, Contingent Consideration, Liability, Number of Separate Milestone Payments
Contingent consideration lump sum milestone payment
Business Combination, Contingent Consideration Arrangements, Lump Sum Milestone Payment
Business Combination, Contingent Consideration Arrangements, Lump Sum Milestone Payment
Shares of common stock repurchased (in shares)
Treasury Stock, Shares, Acquired
Value of common stock repurchased
Treasury Stock, Value, Acquired, Cost Method
Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table]
Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table]
Subsequent Event Type [Axis]
Subsequent Event Type [Axis]
Subsequent Event Type [Domain]
Subsequent Event Type [Domain]
Subsequent Event
Subsequent Event [Member]
Share Repurchase Program [Axis]
Share Repurchase Program [Axis]
Share Repurchase Program [Domain]
Share Repurchase Program [Domain]
October 2018 Plan
October 2018 Plan [Member]
October 2018 Plan [Member]
Accelerated Share Repurchase
Accelerated Share Repurchase [Member]
Accelerated Share Repurchase [Member]
Additional Shares
Additional Shares [Member]
Additional Shares [Member]
Award Type [Axis]
Award Type [Axis]
Equity Award [Domain]
Equity Award [Domain]
PSUs
Performance Shares [Member]
Equity Components [Axis]
Equity Components [Axis]
Equity Component [Domain]
Equity Component [Domain]
Common Stock
Common Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock repurchase program, authorized amount
Stock Repurchase Program, Authorized Amount
Award vesting period
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period
Number of additional shares authorized for grant (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Number of Additional Shares Authorized
Risk free interest rate
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate
Volatility
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate
Expected term (in years)
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term
Expected dividend yield
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate
Advances to commercial manufacturers
Advances to commercial manufactures
Advances to commercial manufactures
Prepaid FDA user fee
Prepaid FDA User Fee
Prepaid FDA User Fee
Prepaid insurance
Prepaid Insurance
Prepaid income taxes
Prepaid Taxes
Prepaid research and development
Prepaid Research And Development
Prepaid Research And Development
All other
Other Assets, Current
Total Prepaid expenses and other current assets
Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table]
Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table]
Antidilutive Securities [Axis]
Antidilutive Securities [Axis]
Antidilutive Securities, Name [Domain]
Antidilutive Securities, Name [Domain]
Stock options
Employee Stock Option [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Anti-dilutive common shares equivalents outstanding (in shares)
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount
Concentration Risk [Table]
Concentration Risk [Table]
Concentration Risk Type [Axis]
Concentration Risk Type [Axis]
Concentration Risk Type [Domain]
Concentration Risk Type [Domain]
Customer Concentration Risk
Customer Concentration Risk [Member]
Concentration Risk Benchmark [Axis]
Concentration Risk Benchmark [Axis]
Concentration Risk Benchmark [Domain]
Concentration Risk Benchmark [Domain]
Net Revenues
Sales Revenue, Net [Member]
Accounts Receivable
Accounts Receivable [Member]
Cardinal Health
Cardinal Health [Member]
Cardinal Health [Member]
Oncology Supply
Oncology Supply [Member]
Oncology Supply [Member]
SymBio Pharmaceuticals Limited
SymBio Pharmaceuticals Limited [Member]
SymBio Pharmaceuticals Limited [Member]
Other
Other Customers [Member]
Other Customers [Member]
Concentration Risk [Line Items]
Concentration Risk [Line Items]
Percentage of concentration
Concentration Risk, Percentage
Schedule of Prepaid and Other Current Assets
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Table Text Block]
Schedule of Accrued Expenses
Schedule of Accrued Liabilities [Table Text Block]
Subsidiary or Equity Method Investee, Sale of Stock by Subsidiary or Equity Investee [Table]
Subsidiary or Equity Method Investee, Sale of Stock by Subsidiary or Equity Investee [Table]
Debt Instrument [Axis]
Debt Instrument [Axis]
Debt Instrument, Name [Domain]
Debt Instrument, Name [Domain]
Amendment Credit Agreement
Amendment Credit Agreement [Member]
Amendment Credit Agreement [Member]
Variable Rate [Axis]
Variable Rate [Axis]
Variable Rate [Domain]
Variable Rate [Domain]
London Interbank Offered Rate (LIBOR)
London Interbank Offered Rate (LIBOR) [Member]
Prime Rate
Prime Rate [Member]
Credit Facility [Axis]
Credit Facility [Axis]
Credit Facility [Domain]
Credit Facility [Domain]
Revolving Credit Facility
Revolving Credit Facility [Member]
Line of Credit
Line of Credit [Member]
Letter of Credit
Letter of Credit [Member]
Pharmaceuticals International GmbH
Pharmaceuticals International GmbH [Member]
Pharmaceuticals International GmbH [Member]
Spectrum
Spectrum [Member]
Spectrum [Member]
Related Party Transaction [Axis]
Related Party Transaction [Axis]
Related Party Transaction [Domain]
Related Party Transaction [Domain]
Spectrum Agreement
Spectrum Agreement [Member]
Spectrum Agreement [Member]
Related Party [Axis]
Related Party [Axis]
Related Party [Domain]
Related Party [Domain]
Affiliated Entity
Affiliated Entity [Member]
Subsidiary, Sale of Stock [Line Items]
Subsidiary, Sale of Stock [Line Items]
Number of products
Number Of Products
Number Of Products
Product sales
Extension term
Related Party, Service Period, Extension Option
Related Party, Service Period, Extension Option
Debt instrument, term
Debt Instrument, Term
Maximum borrowing capacity
Line of Credit Facility, Maximum Borrowing Capacity
Draw on line of credit
Proceeds from Lines of Credit
Variable interest rate spread
Debt Instrument, Basis Spread on Variable Rate
Line of credit facility, commitment fee percentage
Line of Credit Facility, Commitment Fee Percentage
Cost sharing percentage
Clinical Development Cost Sharing Percentage
Clinical Development Cost Sharing Percentage
Potential milestone payments
License Agreement, Potential Milestone Payments
License Agreement, Potential Milestone Payments
Number of clinical trial sites
Number Of Clinical Trial Sites
Number Of Clinical Trial Sites
Schedule of Effective Income Tax Rate Reconciliation
Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]
Debt Disclosure [Abstract]
Schedule of Long-term Debt Instruments [Table]
Schedule of Long-term Debt Instruments [Table]
Debt Instrument [Line Items]
Debt Instrument [Line Items]
Debt extinguishment costs
Gain (Loss) on Extinguishment of Debt
Unamortized deferred debt issuance costs
Debt Issuance Cost, Gross, Noncurrent
Periodic payments as percent of principal
Debt Instrument, Periodic Payments, Percent Of Principal
Debt Instrument, Periodic Payments, Percent Of Principal
Intangible Assets, Net
Intangible Assets Disclosure [Text Block]
2018 (remainder)
Long-term Debt, Maturities, Repayments of Principal, Remainder of Fiscal Year
2019
Long-term Debt, Maturities, Repayments of Principal in Year Two
2020
Long-term Debt, Maturities, Repayments of Principal in Year Three
Total debt
Long-term Debt
Cash consideration paid
Common stock issued
Fair Value of contingent consideration payable to seller (long term)
Business Combination, Consideration Transferred, Liabilities Incurred
Total consideration
Common shares to be issued value
Business Acquisition, Equity Interest Issued or Issuable, Value Assigned
Average share price, trading days
Business Combination, Average Share Price, Trading Days
Business Combination, Average Share Price, Trading Days
Business acquisition, share price (in dollars per share)
Business Acquisition, Share Price
Contingent consideration liability
Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Table]
Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Table]
RSUs
Restricted Stock Units (RSUs) [Member]
Income Statement Location [Axis]
Income Statement Location [Axis]
Income Statement Location [Domain]
Income Statement Location [Domain]
Selling, general and administrative
Selling, General and Administrative Expenses [Member]
Research and development
Research and Development Expense [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]
Stock-based compensation expense
Allocated Share-based Compensation Expense
Raw material
Inventory, Raw Materials, Gross
Work in process
Inventory, Work in Process, Gross
Finished products
Inventory, Finished Goods, Gross
Inventories
Debt
Debt Disclosure [Text Block]
Royalties payable to commercial partners
Accrued Royalties, Current
Accrued research & development
Accrued Research and Development, Current
Accrued Research and Development, Current
Accrued professional fees
Accrued Professional Fees, Current
Accrued salary and other compensation
Accrued Salaries, Current
Accrued product costs
Accrued Product Costs, Current
Accrued Product Costs, Current
Accrued restructuring costs
Restructuring Reserve, Current
Accrued other
Other Accrued Liabilities, Current
Total Accrued expenses
Income tax (provision) benefit
Effective tax rate
Effective Income Tax Rate Reconciliation, Percent
Unrecognized tax benefits
Unrecognized Tax Benefits
Stock Options
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Outstanding beginning balance (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number
Granted (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross
Options Exercised (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period
Forfeited or expired (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested Options Forfeited, Number of Shares
Outstanding ending balance (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Outstanding [Roll Forward]
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Outstanding [Roll Forward]
Outstanding beginning balance (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number
Granted (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period
Vested (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period
Forfeited or expired (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period
Outstanding ending balance (in shares)
Summary of Significant Accounting Policies
Significant Accounting Policies [Text Block]
Statement of Cash Flows [Abstract]
Cash flows from operating activities:
Net Cash Provided by (Used in) Operating Activities [Abstract]
Net income
Adjustments to reconcile net income to net cash provided by operating activities:
Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract]
Deferred income taxes
Deferred Income Taxes and Tax Credits
Depreciation expense
Depreciation
Stock-based compensation
Share-based Compensation
Amortization of debt issuance costs
Amortization of Debt Issuance Costs
Non-cash restructuring charge
Restructuring Costs
Changes in operating assets and liabilities:
Increase (Decrease) in Other Operating Assets and Liabilities, Net [Abstract]
Increase in accounts receivable
Increase (Decrease) in Accounts Receivable
Increase in inventories
Increase (Decrease) in Inventories
(Increase) decrease in prepaid expenses and other current assets
Increase (Decrease) in Prepaid Expense and Other Current Assets, Total
Increase (Decrease) in Prepaid Expense and Other Current Assets, Total
(Increase) decrease in other assets
Increase (Decrease) in Other Noncurrent Assets
Decrease in accounts payable
Increase (Decrease) in Accounts Payable
Increase (decrease) in accrued expenses and other liabilities
Increase (Decrease) in Accrued Liabilities and Other Operating Liabilities
Net cash provided by operating activities
Net Cash Provided by (Used in) Operating Activities
Cash flows from investing activities:
Net Cash Provided by (Used in) Investing Activities [Abstract]
Purchase of property and equipment
Payments to Acquire Property, Plant, and Equipment
Payment for intangible asset
Payments to Acquire Intangible Assets
Net cash used in investing activities
Net Cash Provided by (Used in) Investing Activities
Cash flows from financing activities:
Net Cash Provided by (Used in) Financing Activities [Abstract]
Proceeds from common stock option exercise
Proceeds from Stock Options Exercised
Payments for employee net option exercises
Payments Related to Tax Withholding for Share-based Compensation
Payment of debt financing costs
Payments of Debt Issuance Costs
Proceeds from long-term debt
Proceeds from Issuance of Long-term Debt
Payment of contingent consideration
Payments for Contingent Consideration
Payments for Contingent Consideration
Payment of debt
Repayments of Long-term Debt
Repurchases of common stock
Payments for Repurchase of Common Stock
Net cash (used in) provided by financing activities
Net Cash Provided by (Used in) Financing Activities
Net (decrease) increase in cash
Cash and Cash Equivalents, Period Increase (Decrease)
Cash and cash equivalents at beginning of period
Cash and cash equivalents at end of period
Supplemental disclosures of cash flow information:
Additional Cash Flow Elements and Supplemental Cash Flow Information [Abstract]
Cash paid during the period for:
Supplemental Cash Flow Elements [Abstract]
Income taxes
Income Taxes Paid
Interest
Interest Paid, Including Capitalized Interest, Operating and Investing Activities
Risk-free interest minimum rate
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate, Minimum
Risk-free interest maximum rate
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate, Maximum
Liability Class [Axis]
Liability Class [Axis]
Fair Value by Liability Class [Domain]
Fair Value by Liability Class [Domain]
Contingent Consideration Liability
Contingent Consideration Liability [Member]
Contingent Consideration Liability [Member]
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Opening Balance
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability Value
Changes in fair value
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Gain (Loss) Included in Earnings
Closing Balance
Numerator
Net Income (Loss) Available to Common Stockholders, Diluted [Abstract]
Numerator for basic and diluted earnings per share-net income
Net Income (Loss) Available to Common Stockholders, Basic
Denominator
Basic weighted average common shares outstanding (in shares)
Dilutive effect of stock options (in shares)
Incremental Common Shares Attributable to Dilutive Effect of Call Options and Warrants
Diluted weighted average common shares outstanding (in shares)
Weighted Average Number Diluted Shares Outstanding Adjustment
Basic net income per share
Earnings Per Share, Basic [Abstract]
Basic net income per share (in usd per share)
Diluted net income per share
Earnings Per Share, Diluted [Abstract]
Diluted net income per share (in usd per share)
Restructuring and Related Activities [Abstract]
Restructuring
Restructuring and Related Activities Disclosure [Text Block]
Schedule of Restructuring and Related Costs [Table]
Schedule of Restructuring and Related Costs [Table]
Asset Class [Axis]
Asset Class [Axis]
Asset Class [Domain]
Asset Class [Domain]
Inventory And Reserves
Inventory And Reserves [Member]
Inventory And Reserves [Member]
Property, Plant and Equipment
Property, Plant and Equipment [Member]
Restructuring Type [Axis]
Restructuring Type [Axis]
Type of Restructuring [Domain]
Type of Restructuring [Domain]
Product Portfolio Rationalization
Product Portfolio Rationalization [Member]
Product Portfolio Rationalization [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Cost and Reserve [Line Items]
Decrease in contingent consideration
Restructuring reserve
Restructuring Reserve
Statement of Stockholders' Equity [Abstract]
Additional Paid-In Capital
Additional Paid-in Capital [Member]
Treasury Stock
Treasury Stock [Member]
Retained Earnings
Retained Earnings [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance (in shares)
Shares, Outstanding
Beginning balance
Stock-based compensation expense
Adjustments to Additional Paid in Capital, Share-based Compensation, Requisite Service Period Recognition
Issuance of common stock upon exercise of stock option grants (in shares)
Issuance of common stock upon exercise of stock option grants
Stock Issued During Period, Value, Stock Options Exercised
Payments for employee net option exercises
Adjustments Related to Tax Withholding for Share-based Compensation
Common stock repurchases
Ending balance (in shares)
Ending balance
Operating lease obligations
Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract]
Operating lease obligation, Total
Operating Leases, Future Minimum Payments Due
2018
Operating Leases, Future Minimum Payments Due, Next Twelve Months
2019
Operating Leases, Future Minimum Payments, Due in Two Years
2020
Operating Leases, Future Minimum Payments, Due in Three Years
2021
Operating Leases, Future Minimum Payments, Due in Four Years
2022
Operating Leases, Future Minimum Payments, Due in Five Years
Beyond
Operating Leases, Future Minimum Payments, Due Thereafter
Credit facility
Long-term Debt, Fiscal Year Maturity [Abstract]
2018
Long-term Debt, Maturities, Repayments of Principal in Next Twelve Months
2021
Long-term Debt, Maturities, Repayments of Principal in Year Four
2022
Long-term Debt, Maturities, Repayments of Principal in Year Five
Beyond
Long-term Debt, Maturities, Repayments of Principal after Year Five
Purchase obligations
Purchase Obligation, Fiscal Year Maturity [Abstract]
Purchase Obligation, Total
Purchase Obligation
2018
Purchase Obligation, Due in Next Twelve Months
2019
Purchase Obligation, Due in Second Year
2020
Purchase Obligation, Due in Third Year
2021
Purchase Obligation, Due in Fourth Year
2022
Purchase Obligation, Due in Fifth Year
Beyond
Purchase Obligation, Due after Fifth Year
Total obligations
Contractual Obligation, Fiscal Year Maturity [Abstract]
Total obligations
Obligations, Future Payments
Obligations, Future Payments
2018
Obligations, Future Payments Due, Next Twelve Months
Obligations, Future Payments Due, Next Twelve Months
2019
Obligations, Future Payments, Due In Second Year
Obligations, Future Payments, Due In Second Year
2020
Obligations, Future Payments, Due In Third Year
Obligations, Future Payments, Due In Third Year
2021
Obligations, Future Payments, Due In Fourth Year
Obligations, Future Payments, Due In Fourth Year
2022
Obligations, Future Payments, Due In Fifth Year
Obligations, Future Payments, Due In Fifth Year
Beyond
Obligations, Future Payments, Due Thereafter
Obligations, Future Payments, Due Thereafter
Operating leases rent expense
Operating Leases, Rent Expense
Inventory
Inventory Disclosure [Text Block]
Interim Condensed Condensed Financial Statements
Basis of Accounting [Text Block]
Use of Estimates
Use of Estimates, Policy [Policy Text Block]
Reclassifications
Reclassification, Policy [Policy Text Block]
Cash and Cash Equivalents
Cash and Cash Equivalents, Policy [Policy Text Block]
Fair Value Measurements
Fair Value Measurement, Policy [Policy Text Block]
Intangible Assets
Goodwill and Intangible Assets, Intangible Assets, Policy [Policy Text Block]
Goodwill
Goodwill and Intangible Assets, Goodwill, Policy [Policy Text Block]
Acquisition-Related Contingent Consideration
Business Combinations Policy [Policy Text Block]
Concentration of Major Customers and Vendors
Major Customers, Policy [Policy Text Block]
Inventory
Inventory, Policy [Policy Text Block]
Property and Equipment
Property, Plant and Equipment, Policy [Policy Text Block]
Research and Development Expense
Research and Development Expense, Policy [Policy Text Block]
Advertising and Marketing
Advertising Costs, Policy [Policy Text Block]
Income Taxes
Income Tax, Policy [Policy Text Block]
Revenue Recognition
Revenue from Contract with Customer [Policy Text Block]
Stock-Based Compensation
Share-based Compensation, Option and Incentive Plans Policy [Policy Text Block]
Earnings Per Share
Earnings Per Share, Policy [Policy Text Block]
Recent Accounting Pronouncements
New Accounting Pronouncements, Policy [Policy Text Block]
Preferred stock, shares authorized (in shares)
Preferred Stock, Shares Authorized
Preferred stock, shares issued (in shares)
Preferred Stock, Shares Issued
Preferred stock, shares outstanding (in shares)
Preferred Stock, Shares Outstanding
Common stock, par value per share (in usd per share)
Common Stock, Par or Stated Value Per Share
Common stock, shares authorized (in shares)
Common Stock, Shares Authorized
Common stock, shares issued (in shares)
Common Stock, Shares, Issued
Treasury stock (in shares)
Treasury Stock, Shares
Schedule of Maturities
Schedule of Maturities of Long-term Debt [Table Text Block]