STOCKHOLDERS' EQUITY	3 Months Ended
Mar. 31, 2020
Equity [Abstract]
Stockholders' Equity	STOCKHOLDERS’ EQUITY On January 3, 2020, the Company’s board of directors and HC I, the stockholder of a majority of the Company’s common stock, approved a reverse stock split of the Company’s issued and outstanding common stock on a one share for four share basis and appropriately amended the Company’s Third Amended and Restated Certificate of Incorporation to reflect the change. On February 3, 2020, the reverse stock split became effective. In connection with the reverse stock split, the Company changed its ticker symbol from “BIOS” to “OPCH” and transferred the Company’s common stock from the Nasdaq Capital Market to the Nasdaq Global Select Market. The par value of the Company’s common stock remained unchanged as a result of the reverse stock split, resulting in a decrease to the aggregate par value of common stock and corresponding increase to paid-in capital in the Company’s unaudited condensed consolidated financial statements, which was retrospectively applied to all periods presented in the unaudited condensed consolidated financial statements. All common shares, warrants and stock awards presented in the unaudited condensed consolidated financial statements have been retrospectively adjusted for the reverse stock split 2017 Warrants — During the three months ended March 31, 2020, warrant holders did not elect to exercise any warrants to purchase shares of common stock. No warrants existed in 2019 prior to the Merger. As of March 31, 2020 and December 31, 2019, the remaining warrant holders are entitled to purchase 1.4 million shares of common stock, respectively. 2015 Warrants — During the three months ended March 31, 2020, warrant holders did not elect to exercise any warrants to purchase shares of common stock. No warrants existed in 2019 prior to the Merger. As of March 31, 2020 and December 31, 2019, warrant holders are entitled to purchase 0.9 million shares of common stock, respectively. Home Solutions Restricted Stock — In conjunction with BioScrip’s 2016 acquisition of Home Solutions, Inc., 1.8 million restricted shares of common stock were issued, of which 0.8 million of these units vest upon the closing price of the Company’s common stock averaging at or above $16.00 per share over 20 consecutive trading days prior to December 31, 2019 and 1.0 million of these units vest upon the closing price of the Company’s common stock averaging at or above $20.00 per share over 20 consecutive trading days prior to December 31, 2019. The restricted stock expired on December 31, 2019. As discussed in Note 1, Nature of Operations and Presentation of Financial Statements, 7,048,357 common shares issued to HC I in conjunction with the Merger are held in escrow to prevent dilution related to the vesting of the Home Solutions restricted stock. In the event the Home Solutions restricted stock expires unvested, the 7,048,357 common shares held in escrow will be returned to the Company and canceled. As of March 31, 2020, the Home Solutions restricted stock remained in escrow pending final resolution of this matter.

STOCKHOLDERS’ EQUITY

On January 3, 2020, the Company’s board of directors and HC I, the stockholder of a majority of the Company’s common stock, approved a reverse stock split of the Company’s issued and outstanding common stock on a one share for four share basis and appropriately amended the Company’s Third Amended and Restated Certificate of Incorporation to reflect the change. On February 3, 2020, the reverse stock split became effective. In connection with the reverse stock split, the Company changed its ticker symbol from “BIOS” to “OPCH” and transferred the Company’s common stock from the Nasdaq Capital Market to the Nasdaq Global Select Market. The par value of the Company’s common stock remained unchanged as a result of the reverse stock split, resulting in a decrease to the aggregate par value of common stock and corresponding increase to paid-in capital in the Company’s unaudited condensed consolidated financial statements, which was retrospectively applied to all periods presented in the unaudited condensed consolidated financial statements. All common shares, warrants and stock awards presented in the unaudited condensed consolidated financial statements have been retrospectively adjusted for the reverse stock split

2017 Warrants — During the three months ended March 31, 2020, warrant holders did not elect to exercise any warrants to purchase shares of common stock. No warrants existed in 2019 prior to the Merger. As of March 31, 2020 and December 31, 2019, the remaining warrant holders are entitled to purchase 1.4 million shares of common stock, respectively.

2015 Warrants — During the three months ended March 31, 2020, warrant holders did not elect to exercise any warrants to purchase shares of common stock. No warrants existed in 2019 prior to the Merger. As of March 31, 2020 and December 31, 2019, warrant holders are entitled to purchase 0.9 million shares of common stock, respectively.

Home Solutions Restricted Stock — In conjunction with BioScrip’s 2016 acquisition of Home Solutions, Inc., 1.8 million restricted shares of common stock were issued, of which 0.8 million of these units vest upon the closing price of the Company’s common stock averaging at or above $16.00 per share over 20 consecutive trading days prior to December 31, 2019 and 1.0 million of these units vest upon the closing price of the Company’s common stock averaging at or above $20.00 per share over 20 consecutive trading days prior to December 31, 2019. The restricted stock expired on December 31, 2019. As discussed in Note 1, Nature of Operations and Presentation of Financial Statements, 7,048,357 common shares issued to HC I in conjunction with the Merger are held in escrow to prevent dilution related to the vesting of the Home Solutions restricted stock. In the event the Home Solutions restricted stock expires unvested, the 7,048,357 common shares held in escrow will be returned to the Company and canceled. As of March 31, 2020, the Home Solutions restricted stock remained in escrow pending final resolution of this matter.