Consolidated Statement of Changes in Shareholders' Equity - USD ($) $ in Thousands	Total	Series 1 Preferred Shares and USA Preferred Shares [Member]	Series 2 Redeemable Preferred Shares and USA New Preferred Shares [Member]	Warrant Covering 1,953,125 Ordinary Shares [Member]	Warrant Covering 14,731,667 Ordinary Shares [Member]	Series 1 Preferred Shares [Member]	Preferred Stock [Member]	Preferred Stock [Member] Series 1 Preferred Shares and USA Preferred Shares [Member]	Preferred Stock [Member] Series 2 Redeemable Preferred Shares and USA New Preferred Shares [Member]	Preferred Stock [Member] Series 1 Preferred Shares [Member]	Ordinary Shares [Member]	Deferred Shares [Member]	Additional Paid-In Capital [Member]	Additional Paid-In Capital [Member] Series 1 Preferred Shares and USA Preferred Shares [Member]	Additional Paid-In Capital [Member] Series 2 Redeemable Preferred Shares and USA New Preferred Shares [Member]	Additional Paid-In Capital [Member] Warrant Covering 1,953,125 Ordinary Shares [Member]	Additional Paid-In Capital [Member] Warrant Covering 14,731,667 Ordinary Shares [Member]	Additional Paid-In Capital [Member] Series 1 Preferred Shares [Member]	Accumulated Deficit [Member]
Balance at Dec. 31, 2016	$ 8,439										$ 13	$ 54	$ 79,676						$ (71,304)
Balance, shares at Dec. 31, 2016											13,420,927	39,994
Proceeds from issuance of ordinary shares, preferred shares and warrants, net of costs	10,534										$ 4		10,530
Proceeds from issuance of ordinary shares, preferred shares and warrants, net of costs, shares											3,611,764
Stock-based compensation	1,156												1,156
Issuance of restricted stock, shares											89,166
Net loss	(16,998)																		(16,998)
Balance at Dec. 31, 2017	3,131										$ 17	$ 54	91,362						(88,302)
Balance, shares at Dec. 31, 2017											17,121,857	39,994
Proceeds from issuance of ordinary shares, preferred shares and warrants, net of costs			$ 2,053	$ 2,837	$ 1,395	$ 2,053									$ 2,053	$ 2,837	$ 1,395	$ 2,053
Proceeds from issuance of ordinary shares, preferred shares and warrants, net of costs, shares									5,339	5,000
Exchange of PLC Series 1 Preferred Shares and USA Preferred Shares for PLC Series 2 redeemable preferred shares and USA new preferred shares		$ (2,053)												$ (2,053)
Exchange of PLC Series 1 Preferred Shares and USA Preferred Shares for PLC Series 2 redeemable preferred shares and USA new preferred shares, shares								(5,000)
USA new preferred shares dividends	(45)												45						(45)
Stock-based compensation	543												543
Issuance of restricted stock, shares											35,303
Net loss	(8,415)																		(8,415)
Balance at Dec. 31, 2018	$ 1,544										$ 17	$ 54	$ 98,235						$ (96,762)
Balance, shares at Dec. 31, 2018							5,339				17,157,160	39,994

Presbia PLC 10-K