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SHARE CAPITAL (Additional information) (Details) |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 Months Ended | 12 Months Ended | 36 Months Ended
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Jul. 25, 2021 USD ($) item $ / shares shares | Jul. 02, 2021 USD ($) shares | Jun. 07, 2021 shares | Feb. 17, 2021 USD ($) $ / shares shares | Sep. 22, 2020 shares | Aug. 11, 2020 USD ($) item $ / shares shares | Jul. 05, 2020 USD ($) item $ / shares shares | Jun. 07, 2020 USD ($) item $ / shares shares | Mar. 18, 2020 USD ($) $ / shares shares | Feb. 03, 2020 USD ($) item $ / shares shares | Jan. 20, 2020 USD ($) item director $ / shares shares | Dec. 09, 2019 | Dec. 07, 2016 shares | Sep. 30, 2019 USD ($) item $ / shares shares | Jun. 30, 2019 USD ($) item $ / shares shares | Dec. 31, 2021 USD ($) Vote shares | Dec. 31, 2020 USD ($) shares | Dec. 31, 2021 USD ($) Vote shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common Stock, Number Of Voting Rights | Vote |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 |  | 1
Reverse stock split ratio |  |  |  |  |  |  |  |  |  |  |  | 0.1 |  |  |  |  |  |
Shares of Common Stock remain available for grant under the plan |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,786,256 |  | 1,786,256
Unrecognized compensation cost | $ |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 1,700,000 |  | $ 1,700,000
Unrecognized weighted average period |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 10 months 24 days |  |
Exercised |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0
Converted instrument, shares issued |  |  |  |  |  |  |  |  |  |  |  |  | 2,384,673 |  |  |  |  |
Debt conversion converted instrument amount, cash | $ |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 30,036,000 |  |
Number of shares issued (in shares) |  |  |  | 8,749,999 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share Price | $ / shares |  |  |  | $ 4.60 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from private placement | $ |  |  |  |  |  |  |  |  | $ 41,300,000 |  |  |  |  |  |  |  |  |
Proceeds from Warrant Exercises | $ |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 472,000 |
Gross proceeds | $ |  |  |  | $ 40,200,000 |  |  |  |  |  |  |  |  |  |  |  | $ 8,575,000 | $ 4,867,000 |
2006 Employee Stock Incentive Plan |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of shares authorized for issuance under share-based payment arrangement |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 5,725,171 |  | 5,725,171
Private Placement |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of shares issued (in shares) |  |  | 173,816 |  |  |  |  |  | 17,604,423 |  |  |  |  |  |  |  | 200,000 |
Share Price | $ / shares |  |  |  |  |  |  |  |  | $ 2.485 |  |  |  |  |  |  |  |  |
Purchase price (in dollars per share) | $ / shares |  |  |  |  |  |  |  |  | $ 2.485 |  |  |  |  |  |  |  |  |
Proceeds from private placement | $ |  |  |  |  |  |  |  |  | $ 43,700,000 |  |  |  |  |  |  |  |  |
Number of shares per warrant issued |  |  | 2,816,901 |  |  |  |  |  | 1 |  |  |  |  |  |  |  |  |
Exercise price of warrants (in dollars per share) | $ / shares |  |  |  |  |  |  |  |  | $ 2.36 |  |  |  |  |  |  |  |  |
Proceeds from Warrant Exercises | $ |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 472,000 |
ATM Shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of shares issued (in shares) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0 |  |
Sale of stock, maximum offering price | $ |  | $ 20,000,000.0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
ATM Shares | Maximum |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commission (as a percent) |  | 3.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
BofA Securities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of shares issued (in shares) |  | 3,296,123 |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,867,552 |  |
Gross proceeds | $ |  | $ 13,800,000 |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 8,800,000 |  |
Over-Allotment Option |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of shares issued (in shares) |  |  |  | 1,141,304 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Option to purchase shares of common stock |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period | 10 years |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exercise Price (in dollars per share) | $ / shares | $ 1.57 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross | 50,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Vesting period | 4 years |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of equal quarterly increments | item | 16 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Fair value at grant | $ | $ 55,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share price | $ / shares | $ 1.57 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Dividend Yield | 0.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Expected Volatility Rate | 84.30% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Risk Free Interest Rate | 0.88% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Expected Term | 6 years |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Option to purchase shares of common stock | Sr. Vice President And Chief Development Officer |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period |  |  |  |  |  |  |  | 10 years |  |  |  |  |  |  |  |  |  |
Exercise Price (in dollars per share) | $ / shares |  |  |  |  |  |  |  | $ 3.59 |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross |  |  |  |  |  |  |  | 196,995 |  |  |  |  |  |  |  |  |  |
Vesting period |  |  |  |  |  |  |  | 4 years |  |  |  |  |  |  |  |  |  |
Number of equal quarterly increments | item |  |  |  |  |  |  |  | 16 |  |  |  |  |  |  |  |  |  |
Fair value at grant | $ |  |  |  |  |  |  |  | $ 500,000 |  |  |  |  |  |  |  |  |  |
Share price | $ / shares |  |  |  |  |  |  |  | $ 3.59 |  |  |  |  |  |  |  |  |  |
Dividend Yield |  |  |  |  |  |  |  | 0.00% |  |  |  |  |  |  |  |  |  |
Expected Volatility Rate |  |  |  |  |  |  |  | 80.43% |  |  |  |  |  |  |  |  |  |
Risk Free Interest Rate |  |  |  |  |  |  |  | 0.59% |  |  |  |  |  |  |  |  |  |
Expected Term |  |  |  |  |  |  |  | 6 years |  |  |  |  |  |  |  |  |  |
Option to purchase shares of common stock | Senior Vice President, Operations |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period |  |  |  |  |  | 10 years |  |  |  |  |  |  |  |  |  |  |  |
Exercise Price (in dollars per share) | $ / shares |  |  |  |  |  | $ 3.59 |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross |  |  |  |  |  | 122,656 |  |  |  |  |  |  |  |  |  |  |  |
Vesting period |  |  |  |  |  | 4 years |  |  |  |  |  |  |  |  |  |  |  |
Number of equal quarterly increments | item |  |  |  |  |  | 16 |  |  |  |  |  |  |  |  |  |  |  |
Fair value at grant | $ |  |  |  |  |  | $ 300,000 |  |  |  |  |  |  |  |  |  |  |  |
Share price | $ / shares |  |  |  |  |  | $ 3.59 |  |  |  |  |  |  |  |  |  |  |  |
Dividend Yield |  |  |  |  |  | 0.00% |  |  |  |  |  |  |  |  |  |  |  |
Expected Volatility Rate |  |  |  |  |  | 80.51% |  |  |  |  |  |  |  |  |  |  |  |
Risk Free Interest Rate |  |  |  |  |  | 0.365% |  |  |  |  |  |  |  |  |  |  |  |
Expected Term |  |  |  |  |  | 6 years |  |  |  |  |  |  |  |  |  |  |  |
Option to purchase shares of common stock | Vice President Research And Development |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period |  |  |  |  |  |  | 10 years |  |  |  |  |  |  |  |  |  |  |
Exercise Price (in dollars per share) | $ / shares |  |  |  |  |  |  | $ 3.73 |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross |  |  |  |  |  |  | 129,771 |  |  |  |  |  |  |  |  |  |  |
Vesting period |  |  |  |  |  |  | 4 years |  |  |  |  |  |  |  |  |  |  |
Number of equal quarterly increments | item |  |  |  |  |  |  | 16 |  |  |  |  |  |  |  |  |  |  |
Fair value at grant | $ |  |  |  |  |  |  | $ 329,000 |  |  |  |  |  |  |  |  |  |  |
Share price | $ / shares |  |  |  |  |  |  | $ 3.73 |  |  |  |  |  |  |  |  |  |  |
Dividend Yield |  |  |  |  |  |  | 0.00% |  |  |  |  |  |  |  |  |  |  |
Expected Volatility Rate |  |  |  |  |  |  | 80.60% |  |  |  |  |  |  |  |  |  |  |
Risk Free Interest Rate |  |  |  |  |  |  | 0.395% |  |  |  |  |  |  |  |  |  |  |
Expected Term |  |  |  |  |  |  | 6 years |  |  |  |  |  |  |  |  |  |  |
Option to purchase shares of common stock | Chief Executive Officer |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 10 years |  |  |
Exercise Price (in dollars per share) | $ / shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 4.69 |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 160,000 |  |  |
Vesting period |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 4 years |  |  |
Number of equal quarterly increments | item |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 16 |  |  |
Fair value at grant | $ |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 449,000 |  |  |
Share price | $ / shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 4.69 |  |  |
Dividend Yield |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0.00% |  |  |
Expected Volatility Rate |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 65.30% |  |  |
Risk Free Interest Rate |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1.80% |  |  |
Expected Term |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 6 years |  |  |
Option to purchase shares of common stock | Chief Financial Officer |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period |  |  |  |  |  |  |  |  |  |  |  |  |  | 10 years |  |  |  |
Exercise Price (in dollars per share) | $ / shares |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 2.00 |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross |  |  |  |  |  |  |  |  |  |  |  |  |  | 80,000 |  |  |  |
Vesting period |  |  |  |  |  |  |  |  |  |  |  |  |  | 4 years |  |  |  |
Number of equal quarterly increments | item |  |  |  |  |  |  |  |  |  |  |  |  |  | 16 |  |  |  |
Fair value at grant | $ |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 97,000 |  |  |  |
Share price | $ / shares |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 2.00 |  |  |  |
Dividend Yield |  |  |  |  |  |  |  |  |  |  |  |  |  | 0.00% |  |  |  |
Expected Volatility Rate |  |  |  |  |  |  |  |  |  |  |  |  |  | 66.48% |  |  |  |
Risk Free Interest Rate |  |  |  |  |  |  |  |  |  |  |  |  |  | 1.695% |  |  |  |
Expected Term |  |  |  |  |  |  |  |  |  |  |  |  |  | 6 years |  |  |  |
Option to purchase shares of common stock | Certain Employees |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period |  |  |  |  |  |  |  | 10 years |  |  |  |  |  |  |  |  |  |
Exercise Price (in dollars per share) | $ / shares |  |  |  |  |  |  |  | $ 3.66 |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross |  |  |  |  |  |  |  | 760,311 |  |  |  |  |  |  |  |  |  |
Vesting period |  |  |  |  |  |  |  | 4 years |  |  |  |  |  |  |  |  |  |
Number of equal quarterly increments | item |  |  |  |  |  |  |  | 16 |  |  |  |  |  |  |  |  |  |
Fair value at grant | $ |  |  |  |  |  |  |  | $ 1,900,000 |  |  |  |  |  |  |  |  |  |
Share price | $ / shares |  |  |  |  |  |  |  | $ 3.66 |  |  |  |  |  |  |  |  |  |
Dividend Yield |  |  |  |  |  |  |  | 0.00% |  |  |  |  |  |  |  |  |  |
Expected Volatility Rate |  |  |  |  |  |  |  | 80.49% |  |  |  |  |  |  |  |  |  |
Risk Free Interest Rate |  |  |  |  |  |  |  | 0.45% |  |  |  |  |  |  |  |  |  |
Expected Term |  |  |  |  |  |  |  | 6 years |  |  |  |  |  |  |  |  |  |
Option to purchase shares of common stock | Chairman, Board of Directors |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period |  |  |  |  |  |  |  |  |  | 10 years |  |  |  |  |  |  |  |
Exercise Price (in dollars per share) | $ / shares |  |  |  |  |  |  |  |  |  | $ 3.70 |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross |  |  |  |  |  |  |  |  |  | 240,000 |  |  |  |  |  |  |  |
Vesting period |  |  |  |  |  |  |  |  |  | 4 years |  |  |  |  |  |  |  |
Number of equal quarterly increments | item |  |  |  |  |  |  |  |  |  | 16 |  |  |  |  |  |  |  |
Fair value at grant | $ |  |  |  |  |  |  |  |  |  | $ 593,000 |  |  |  |  |  |  |  |
Share price | $ / shares |  |  |  |  |  |  |  |  |  | $ 3.70 |  |  |  |  |  |  |  |
Dividend Yield |  |  |  |  |  |  |  |  |  | 0.00% |  |  |  |  |  |  |  |
Expected Volatility Rate |  |  |  |  |  |  |  |  |  | 76.91% |  |  |  |  |  |  |  |
Risk Free Interest Rate |  |  |  |  |  |  |  |  |  | 1.40% |  |  |  |  |  |  |  |
Expected Term |  |  |  |  |  |  |  |  |  | 6 years |  |  |  |  |  |  |  |
Option to purchase shares of common stock | Director |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number Of Directors | director |  |  |  |  |  |  |  |  |  |  | 5 |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period |  |  |  |  |  |  |  |  |  |  | 10 years |  |  |  |  |  |  |
Exercise Price (in dollars per share) | $ / shares |  |  |  |  |  |  |  |  |  |  | $ 3.55 |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross |  |  |  |  |  |  |  |  |  |  | 200,000 |  |  |  |  |  |  |
Vesting period |  |  |  |  |  |  |  |  |  |  | 4 years |  |  |  |  |  |  |
Number of equal quarterly increments | item |  |  |  |  |  |  |  |  |  |  | 16 |  |  |  |  |  |  |
Fair value at grant | $ |  |  |  |  |  |  |  |  |  |  | $ 475,000 |  |  |  |  |  |  |
Share price | $ / shares |  |  |  |  |  |  |  |  |  |  | $ 3.55 |  |  |  |  |  |  |
Dividend Yield |  |  |  |  |  |  |  |  |  |  | 0.00% |  |  |  |  |  |  |
Expected Volatility Rate |  |  |  |  |  |  |  |  |  |  | 76.62% |  |  |  |  |  |  |
Risk Free Interest Rate |  |  |  |  |  |  |  |  |  |  | 1.685% |  |  |  |  |  |  |
Expected Term |  |  |  |  |  |  |  |  |  |  | 6 years |  |  |  |  |  |  |
Restricted Stock Units | Chief Financial Officer |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Aggregate value of Restricted Stock Units that will be granted, contingent upon certain conditions | $ |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 100,000 |  |  |  |
Restricted Stock | President and Chief Executive Officer |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross |  |  |  |  |  | 447,927 |  |  |  |  |  |  |  |  |  |  |  |
Vesting period |  |  |  |  |  | 4 years |  |  |  |  |  |  |  |  |  |  |  |
Number of equal quarterly increments | item |  |  |  |  |  | 16 |  |  |  |  |  |  |  |  |  |  |  |
Fair value at grant | $ |  |  |  |  |  | $ 1,600,000 |  |  |  |  |  |  |  |  |  |  |  |
Restricted Stock | Senior Vice President And Chief Financial Officer |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross |  |  |  |  |  | 246,146 |  |  |  |  |  |  |  |  |  |  |  |
Number of shares vested |  |  |  |  | 27,855 |  |  |  |  |  |  |  |  |  |  |  |  |
Number of non-vested shares |  |  |  |  |  | 218,291 |  |  |  |  |  |  |  |  |  |  |  |
Vesting period |  |  |  |  |  | 4 years |  |  |  |  |  |  |  |  |  |  |  |
Number of equal quarterly increments | item |  |  |  |  |  | 16 |  |  |  |  |  |  |  |  |  |  |  |
Fair value at grant | $ |  |  |  |  |  | $ 900,000 |  |  |  |  |  |  |  |  |  |  |  |

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Name: | srt_TitleOfIndividualAxis=plx_SeniorVicePresidentAndChiefFinancialOfficerMember
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Data Type: | na
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