CollPlant Biotechnologies Ltd. Annual and transition report of foreign private issuers pursuant to Section 13 or 15(d)

Annual and transition report of foreign private issuers pursuant to Section 13 or 15(d)

Financing Agreement (Details Textual)

Financing Agreement (Details Textual)					1 Months Ended	12 Months Ended
Financing Agreement (Details Textual)	Jul. 11, 2018 shares	Oct. 26, 2017 USD ($) shares	Sep. 06, 2017 USD ($) shares	Sep. 06, 2017 ₪ / shares	Nov. 15, 2018 ILS (₪)	Dec. 31, 2018 ILS (₪) ₪ / shares shares	Dec. 31, 2018 ILS (₪) $ / shares shares	Dec. 31, 2017 ILS (₪) shares	Dec. 31, 2018 USD ($) shares	Mar. 01, 2018 shares	Dec. 31, 2017 USD ($) shares	Jul. 28, 2016 shares	Jun. 09, 2016 shares	Feb. 02, 2016 shares
Financial Agreement (Textual)
Shares issued						190,735,668	190,735,668	166,816,328	190,735,668		166,816,328	1,067,916
Derivatives-comprised of anti-dilution protection ordinary shares						37,320,978		27,399,497
Derivative fair value \| ₪						₪ 363,186	₪ 363,186	₪ 140,875
Lease monthly payment \| ₪					₪ 89,000
Building adjustments expenses \| ₪					₪ 2,500,000
Put option Model [Member]
Financial Agreement (Textual)
Warrants to purchase of ordinary shares						49,607,407
Net of unrecognized loss \| ₪						₪ 2,302,000
Debentures fair value \| ₪						₪ 2,434,000
B&S model [Member]
Financial Agreement (Textual)
Net of unrecognized loss \| ₪								₪ 1,376,000
Convertible debentures into pre-paid warrants								39,322,742
Debentures fair value \| ₪								₪ 12,639,000
Ordinary Shares [Member]
Financial Agreement (Textual)
Shares issued										250,000,000			11,267,833	5,745,903
Warrants to purchase of ordinary shares	1,060,000
Ordinary Shares [Member] \| January 31, 2018 [Member]
Financial Agreement (Textual)
Shares issued						50	50		50
Alpha Purchase Agreement [Member]
Financial Agreement (Textual)
Shares issued		7,280,000
Debenture principal amount \| $		$ 1,375,144									$ 2,000,000
Debenture converted price description								The Debentures were convertible at any time at the option of the holder into ADSs at a conversion price of the US dollar equivalent of NIS 15.3897 (calculated in accordance with the rate of exchange of NIS 3.586 per $1.00) per ADS.
Gross proceeds of debenture \| $		$ 2,000,000
Warrants to purchase of ordinary shares						5,836,313
Issuances of fair market value \| ₪						₪ 3,000,000
Share based compensation \| ₪						₪ 1,500,000		₪ 1,500,000
Alpha Purchase Agreement [Member] \| Alpha Warrant [Member] \| April 30, 2018 [Member]
Financial Agreement (Textual)
Debenture principal amount \| $									$ 1,000,000
Warrants to purchase of ordinary shares						49,607,407
Warrants exercisable into ordinary shares						992,149
Warrant to purchase of ordinary shares exercise price \| (per share)						₪ 36.14	₪ 10.28
Alpha Purchase Agreement [Member] \| Prepaid Warrant [Member] \| April 30, 2018 [Member]
Financial Agreement (Textual)
Warrants to purchase of ordinary shares						9,921,482
Warrants exercisable into ordinary shares						198,430
Alpha Purchase Agreement [Member] \| Prepaid Warrant One [Member] \| January 31, 2018 [Member]
Financial Agreement (Textual)
Debenture principal amount \| $									$ 3,375,144
Warrants to purchase of ordinary shares						39,322,742
Warrants exercisable into ordinary shares						786,455
Alpha Purchase Agreement [Member] \| Prepaid Warrant One [Member] \| April 30, 2018 [Member]
Financial Agreement (Textual)
Warrants to purchase of ordinary shares						8,250,000
Warrants exercisable into ordinary shares						165,000
Convertible debentures into pre-paid warrants						8,250,000
Alpha Purchase Agreement [Member] \| Tranches One [Member]
Financial Agreement (Textual)
Warrants to purchase of ordinary shares						1,080,503
Ordinary shares and convertible debenture for purchase price \| $			$ 2,000,000
Alpha Purchase Agreement [Member] \| Tranches Two [Member]
Financial Agreement (Textual)
Ordinary shares and convertible debenture for purchase price \| $			$ 2,000,000
Alpha Purchase Agreement [Member] \| Tranches Three [Member]
Financial Agreement (Textual)
Warrants to purchase of ordinary shares			49,607,407
Warrants exercisable into ordinary shares			992,148
Warrant to purchase of ordinary shares exercise price \| ₪ / shares				₪ 36.14379
Ordinary shares and convertible debenture for purchase price \| $			$ 1,000,000