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Acquisitions (Tables) | 12 Months Ended
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Dec. 31, 2019
Business Acquisition [Line Items] |
Business Acquisition, Pro Forma Information | The following table summarizes our consolidated results of operations for the years ended December 31, 2018 and 2017, as well as unaudited pro forma consolidated results of operations as though the acquisition of the Argon critical care division had occurred on January 1, 2016 and the acquisition of Cianna Medical and Vascular Insights had occurred on January 1, 2017 (in thousands, except per common share amounts):
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | 2018 | ​ | 2017
​ | ​ | As Reported |  | Pro Forma |  | As Reported |  | Pro Forma
Net sales | ​ | $ | 882,753 | ​ | $ | 928,336 | ​ | $ | 727,852 | ​ | $ | 768,571
Net income | ​ |  | 42,017 | ​ |  | 20,699 | ​ |  | 27,523 | ​ |  | (13,720)
Earnings per common share: | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |
Basic | ​ | $ | 0.80 | ​ | $ | 0.40 | ​ | $ | 0.56 | ​ | $ | (0.28)
Diluted | ​ | $ | 0.78 | ​ | $ | 0.38 | ​ | $ | 0.55 | ​ | $ | (0.27)
Note: The pro forma results for the year ended December 31, 2019 are not included in the table above because the operating results of the Argon critical care division, Cianna Medical, and Vascular Insights acquisitions were included in our consolidated statements of income for these periods
Fibrovein Holdings Limited |
Business Acquisition [Line Items] |
Schedule of Recognized Identified Assets Acquired and Liabilities Assumed | ​
​ | ​ | ​ | ​
Assets Acquired |  | ​ |
Trade receivables | ​ | $ | 277
Inventories | ​ |  | 843
Prepaid expenses and other assets | ​ |  | 49
Intangibles | ​ |  | ​
Developed technology | ​ | ​ | 10,428
Goodwill | ​ | ​ | 4,975
Total assets acquired | ​ |  | 16,572
​ | ​ | ​ | ​
Liabilities Assumed | ​ |  |
Trade payables | ​ |  | (53)
Accrued expenses | ​ |  | (29)
Deferred income tax liabilities | ​ |  | (1,890)
Total liabilities assumed | ​ |  | (1,972)
​ | ​ | ​ | ​
Total net assets acquired | ​ | $ | 14,600
Brightwater |
Business Acquisition [Line Items] |
Schedule of Recognized Identified Assets Acquired and Liabilities Assumed | ​
​ | ​ | ​ | ​
Assets Acquired |  | ​ | ​
Trade receivables | ​ | $ | 55
Inventories | ​ |  | 349
Property and equipment | ​ |  | 409
Other long-term assets | ​ |  | 30
Intangibles | ​ |  |
Developed technology | ​ |  | 31,960
Customer lists | ​ |  | 83
Trademarks | ​ |  | 250
Goodwill | ​ |  | 17,492
Total assets acquired | ​ |  | 50,628
​ | ​ | ​ | ​
Liabilities Assumed | ​ |  |
Trade payables | ​ |  | (58)
Accrued expenses | ​ |  | (261)
Other long-term obligations | ​ |  | (1,522)
Deferred income tax liabilities | ​ |  | (4,148)
Total liabilities assumed | ​ |  | (5,989)
​ | ​ | ​ | ​
Total net assets acquired | ​ | $ | 44,639
Vascular Insights |
Business Acquisition [Line Items] |
Schedule of Recognized Identified Assets Acquired and Liabilities Assumed | ​
​ | ​ | ​ | ​
Inventories |  | $ | 1,353
Intangibles | ​ |  |
Developed technology | ​ |  | 32,750
Customer list | ​ |  | 840
Trademarks | ​ |  | 1,410
Goodwill | ​ |  | 21,832
​ | ​ | ​ | ​
Total net assets acquired | ​ | $ | 58,185
Cianna Medical |
Business Acquisition [Line Items] |
Schedule of Recognized Identified Assets Acquired and Liabilities Assumed | ​
​ | ​ | ​ | ​
Assets Acquired | ​ | ​ | ​
Trade receivables | ​ | $ | 6,151
Inventories | ​ |  | 5,803
Prepaid expenses and other current assets | ​ |  | 315
Property and equipment | ​ |  | 1,047
Other long-term assets | ​ |  | 14
Intangibles | ​ |  |
Developed technology | ​ | ​ | 134,510
Customer lists | ​ |  | 3,330
Trademarks | ​ |  | 7,080
Goodwill | ​ |  | 61,379
Total assets acquired | ​ |  | 219,629
​ | ​ | ​ | ​
Liabilities Assumed | ​ |  |
Trade payables | ​ |  | (1,497)
Accrued expenses | ​ |  | (2,384)
Other long-term liabilities | ​ |  | (1,527)
Deferred income tax liabilities | ​ |  | (25,940)
Total liabilities assumed | ​ |  | (31,348)
​ | ​ | ​ | ​
Total net assets acquired | ​ | $ | 188,281
DirectACCESS Medical, LLC |
Business Acquisition [Line Items] |
Schedule of Recognized Identified Assets Acquired and Liabilities Assumed | ​
​ | ​ | ​ | ​
Inventories |  | $ | 971
Intangibles | ​ |  |
Developed technology | ​ |  | 4,840
Customer list | ​ |  | 120
Trademarks | ​ |  | 400
Goodwill | ​ |  | 938
​ | ​ | ​ | ​
Total net assets acquired | ​ | $ | 7,269
Becton, Dickinson and Company |
Business Acquisition [Line Items] |
Schedule of Recognized Identified Assets Acquired and Liabilities Assumed | ​
​ | ​ | ​ | ​
Inventories |  | $ | 5,804
Property and equipment | ​ |  | 748
Intangibles | ​ |  |
Developed technology | ​ |  | 74,000
Customer list | ​ |  | 4,200
Trademarks | ​ | ​ | 4,900
In-process technology | ​ |  | 2,500
Goodwill | ​ |  | 9,728
​ | ​ | ​ | ​
Total net assets acquired | ​ | $ | 101,880
ITL Healthcare Pty Ltd |
Business Acquisition [Line Items] |
Schedule of Recognized Identified Assets Acquired and Liabilities Assumed | ​
​ | ​ | ​ | ​
Assets Acquired |  | ​ |
Trade receivables | ​ | $ | 1,287
Other receivables | ​ | ​ | 56
Inventories | ​ | ​ | 1,808
Prepaid expenses and other assets | ​ | ​ | 65
Property and equipment | ​ | ​ | 1,053
Intangibles | ​ | ​ |
Customer lists | ​ | ​ | 5,940
Goodwill | ​ | ​ | 3,945
Total assets acquired | ​ | ​ | 14,154
​ | ​ | ​ | ​
Liabilities Assumed | ​ | ​ |
Trade payables | ​ | ​ | (216)
Accrued expenses | ​ | ​ | (747)
Deferred tax liabilities | ​ | ​ | (1,901)
Total liabilities assumed | ​ | ​ | (2,864)
​ | ​ | ​ | ​
Total net assets acquired | ​ | $ | 11,290
Laurane Medical S.A.S. |
Business Acquisition [Line Items] |
Schedule of Recognized Identified Assets Acquired and Liabilities Assumed | ​
​ | ​ | ​ | ​
Inventories |  | $ | 594
Intangibles | ​ | ​ |
Developed technology | ​ | ​ | 14,920
Customer list | ​ | ​ | 120
Goodwill | ​ | ​ | 6,366
​ | ​ | ​ | ​
Total net assets acquired | ​ | $ | 22,000
Osseon LLC |
Business Acquisition [Line Items] |
Schedule of Recognized Identified Assets Acquired and Liabilities Assumed | ​
​ | ​ | ​ | ​
Inventories |  | $ | 979
Property and equipment | ​ | ​ | 58
Intangibles | ​ | ​ |
Developed technology | ​ | ​ | 5,400
Customer list | ​ | ​ | 200
Goodwill | ​ | ​ | 203
​ | ​ | ​ | ​
Total net assets acquired | ​ | $ | 6,840
Vascular Access Technologies, Inc. |
Business Acquisition [Line Items] |
Schedule of Recognized Identified Assets Acquired and Liabilities Assumed | ​
​ | ​ | ​ | ​
Intangibles |  | ​ |
Developed technology | ​ | $ | 7,800
In-process technology | ​ |  | 920
Goodwill | ​ |  | 4,281
Deferred tax liabilities | ​ |  | (3,101)
​ | ​ | ​ | ​
Total net assets acquired | ​ | $ | 9,900
Argon Medical Devices, Inc. |
Business Acquisition [Line Items] |
Schedule of Recognized Identified Assets Acquired and Liabilities Assumed | ​
​ | ​ | ​ | ​
Assets Acquired |  | ​ |
Cash and cash equivalents | ​ | $ | 1,436
Trade receivables | ​ |  | 8,351
Inventories | ​ |  | 11,222
Prepaid expenses and other assets | ​ |  | 1,275
Income tax refund receivable | ​ |  | 165
Property and equipment | ​ |  | 2,319
Deferred tax assets | ​ |  | 202
Intangibles | ​ |  |
Developed technology | ​ |  | 2,200
Customer lists | ​ |  | 1,500
Trademarks | ​ |  | 900
Total assets acquired | ​ |  | 29,570
​ | ​ | ​ | ​
Liabilities Assumed | ​ |  |
Trade payables | ​ |  | (2,414)
Accrued expenses | ​ |  | (5,083)
Deferred income tax liabilities | ​ |  | (934)
Total liabilities assumed | ​ |  | (8,431)
​ | ​ | ​ | ​
Total net assets acquired | ​ |  | 21,139
Gain on bargain purchase (1) | ​ |  | (11,039)
Total purchase price | ​ | $ | 10,100
​ | ​ | ​ | ​
(1) The total fair value of the net assets acquired from Argon exceeded the purchase price, resulting in a gain on bargain purchase which was recorded within other income (expense) in our consolidated statements of income. We believe the reason for the gain on bargain purchase was a result of the divestiture of a non-strategic, slow-growth critical care business for Argon. It is our understanding that the divestiture allows Argon to focus on its higher growth interventional portfolio.
Catheter Connections, Inc. |
Business Acquisition [Line Items] |
Schedule of Recognized Identified Assets Acquired and Liabilities Assumed | ​
​ | ​ | ​ | ​
Assets Acquired |  | ​ |
Trade receivables | ​ | $ | 958
Inventories | ​ |  | 2,157
Prepaid expenses and other assets | ​ |  | 85
Property and equipment | ​ |  | 1,472
Intangibles | ​ |  |
Developed technology | ​ |  | 21,100
Customer lists | ​ |  | 700
Trademarks | ​ |  | 2,900
Goodwill | ​ |  | 8,989
Total assets acquired | ​ |  | 38,361
​ | ​ | ​ | ​
Liabilities Assumed | ​ |  |
Trade payables | ​ |  | (338)
Accrued expenses | ​ |  | (23)
Total liabilities assumed | ​ |  | (361)
​ | ​ | ​ | ​
Net assets acquired | ​ | $ | 38,000

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