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Acquisitions and Other Strategic Transactions (Tables) | 12 Months Ended
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Dec. 31, 2020
Business Acquisition [Line Items] |
Business Acquisition, Pro Forma Information | The following table summarizes our consolidated results of operations for the year ended December 31, 2018, as well as unaudited pro forma consolidated results of operations as though the 2018 acquisitions of Cianna Medical and Vascular Insights had occurred on January 1, 2017 (in thousands, except per common share amounts):
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | 2018
​ | ​ | As Reported |  | Pro Forma
Net sales | ​ | $ | 882,753 | ​ | $ | 928,336
Net income | ​ |  | 42,017 | ​ |  | 20,699
Earnings per common share: | ​ |  |  | ​ |  |
Basic | ​ | $ | 0.80 | ​ | $ | 0.40
Diluted | ​ | $ | 0.78 | ​ | $ | 0.38
Note: The pro forma results for the years ended December 31, 2020 and 2019 are not included in the table above because the operating results of the Cianna Medical, and Vascular Insights acquisitions were included in our consolidated statements of income (loss) for these periods.
KA Medical |
Business Acquisition [Line Items] |
Schedule of Recognized Identified Assets Acquired and Liabilities Assumed | ​
​ | ​ | ​ | ​
Assets Acquired |  | ​ |
Trade receivables | ​ | $ | 24
Other receivables | ​ | ​ | 13
Inventories | ​ |  | 216
Property and equipment | ​ | ​ | 298
Other long-term assets | ​ | ​ | 147
Intangible assets | ​ |  | ​
Developed technology | ​ | ​ | 6,000
Goodwill | ​ | ​ | 8,283
Total assets acquired | ​ |  | 14,981
​ | ​ | ​ | ​
Liabilities Assumed | ​ |  |
Trade payables | ​ |  | (31)
Accrued expenses | ​ |  | (507)
Total liabilities assumed | ​ |  | (538)
​ | ​ | ​ | ​
Total net assets acquired | ​ | $ | 14,443
Business Acquisitions 2019 |
Business Acquisition [Line Items] |
Schedule of Recognized Identified Assets Acquired and Liabilities Assumed | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | STD Pharmaceutical |  | Brightwater
Assets Acquired | ​ | ​ | ​ | ​ | ​ | ​
Trade receivables | ​ | $ | 277 | ​ | $ | 55
Inventories | ​ |  | 843 | ​ | ​ | 349
Prepaid expenses and other current assets | ​ |  | 49 | ​ | ​ | —
Property and equipment | ​ | ​ | — | ​ | ​ | 409
Other long-term assets | ​ | ​ | — | ​ | ​ | 30
Intangible assets | ​ |  | ​ | ​ | ​ | ​
Developed technology | ​ | ​ | 10,428 | ​ | ​ | 31,960
Customer lists | ​ | ​ | — | ​ | ​ | 83
Trademarks | ​ | ​ | — | ​ | ​ | 250
Goodwill | ​ | ​ | 4,975 | ​ | ​ | 17,607
Total assets acquired | ​ |  | 16,572 | ​ | ​ | 50,743
​ | ​ | ​ | ​ | ​ | ​ | ​
Liabilities Assumed | ​ |  |  | ​ | ​ | ​
Trade payables | ​ |  | (53) | ​ | ​ | (58)
Accrued expenses | ​ |  | (29) | ​ | ​ | (261)
Other long-term obligations | ​ | ​ | — | ​ | ​ | (1,522)
Deferred income tax liabilities | ​ |  | (1,890) | ​ | ​ | (4,263)
Total liabilities assumed | ​ |  | (1,972) | ​ | ​ | (6,104)
​ | ​ | ​ | ​ | ​ | ​ | ​
Total net assets acquired | ​ | $ | 14,600 | ​ | $ | 44,639
​ | ​ | ​ | ​ | ​ | ​ | ​
Amortization Period of Intangible Assets | ​ | ​ | ​ | ​ | ​ | ​
Developed technology | ​ | ​ | 12 years | ​ | ​ | 13 years
Customer lists (on an accelerated basis) | ​ | ​ | — | ​ | ​ | 1 year
Trademarks | ​ | ​ | — | ​ | ​ | 5 years
Weighted Average | ​ | ​ | 12 years | ​ | ​ | 12.9 years
Business Acquisitions 2018 |
Business Acquisition [Line Items] |
Schedule of Recognized Identified Assets Acquired and Liabilities Assumed | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Vascular Insights |  | Cianna Medical |  | DirectACCESS |  | BD
Assets Acquired | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Trade receivables | ​ | $ | — | ​ | $ | 6,151 | ​ | $ | — | ​ | $ | —
Inventories |  | ​ | 1,353 | ​ | ​ | 5,803 | ​ | ​ | 971 | ​ | ​ | 5,804
Prepaid expenses and other current assets | ​ | ​ | — | ​ | ​ | 315 | ​ | ​ | — | ​ | ​ | —
Property and equipment | ​ | ​ | — | ​ | ​ | 1,047 | ​ | ​ | — | ​ | ​ | 748
Other long-term assets | ​ | ​ | — | ​ | ​ | 14 | ​ | ​ | — | ​ | ​ | —
Intangibles | ​ |  |  | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Developed technology | ​ |  | 32,750 | ​ | ​ | 134,510 | ​ | ​ | 4,840 | ​ | ​ | 74,000
Customer list | ​ |  | 840 | ​ | ​ | 3,330 | ​ | ​ | 120 | ​ | ​ | 4,200
Trademarks | ​ |  | 1,410 | ​ | ​ | 7,080 | ​ | ​ | 400 | ​ | ​ | 4,900
In-process technology | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 2,500
Goodwill | ​ |  | 21,832 | ​ | ​ | 61,379 | ​ | ​ | 938 | ​ | ​ | 9,728
Total assets acquired | ​ | ​ | 58,185 | ​ | ​ | 219,629 | ​ | ​ | 7,269 | ​ | ​ | 101,880
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
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 | ​ | $ | 58,185 | ​ | $ | 188,281 | ​ | $ | 7,269 | ​ | $ | 101,880
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Amortization Period of Intangible Assets | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Developed technology | ​ | ​ | 12 years | ​ | ​ | 11 years | ​ | ​ | 10 years | ​ | ​ | 8 years
Customer lists (on an accelerated basis) | ​ | ​ | 8 years | ​ | ​ | 8 years | ​ | ​ | 5 years | ​ | ​ | 7 years
Trademarks | ​ | ​ | 9 years | ​ | ​ | 10 years | ​ | ​ | 10 years | ​ | ​ | 9 years
Weighted Average | ​ | ​ | 11.8 years | ​ | ​ | 10.7 years | ​ | ​ | 9.9 years | ​ | ​ | 8.0 years
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Sales for the years ended | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
December 31, 2020 | ​ | ​ | $5.5 million | ​ | ​ | $45.3 million | ​ | ​ | Not Material | ​ | ​ | $42.6 million
December 31, 2019 | ​ | ​ | $7.5 million | ​ | ​ | $49.5 million | ​ | ​ | Not Material | ​ | ​ | $46.8 million
December 31, 2018 | ​ | ​ | Not Material | ​ | ​ | $6.3 million | ​ | ​ | Not Material | ​ | ​ | $42.1 million

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