Subsequent Events (Details) - USD ($)							1 Months Ended				2 Months Ended	3 Months Ended	12 Months Ended
	Mar. 08, 2021	Jan. 27, 2021	Jan. 19, 2021	Jan. 13, 2021	Jan. 08, 2021	Jan. 04, 2021	Jan. 31, 2021	Dec. 31, 2020	Oct. 31, 2020	May 31, 2020	Feb. 28, 2021	Mar. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Exchange Agreement with Iliad
3(a)(9) Exchanges
Shares issued on conversion								8,203,880	250,000
Minimum | Royalty Purchase Agreement
Royalty Transaction
Percentage of interest on royalty	5.00%
Maximum | Royalty Purchase Agreement
Royalty Transaction
Percentage of interest on royalty	10.00%
Series 3 warrants
Series 3 Common Stock Purchase Warrant
Warrants or Rights Exercised								8,456,352					8,456,352
Warrant Exercise Inducement Offer, Warrants To Purchase Common Stock Exchanged										4,005,062
PIPE Financing Warrants, Dec 2019
Purchase Agreements
Amount of shares issued													$ 668,000	$ 1,035,000
Oasis Secured Note Tranche 5 | Oasis Capital
Fourth Amendment to Accounts Receivable Purchase Agreement With Oasis Capital, LLC
Accounts receivable gross									$ 2,100,000
Accumulated chargebacks and discounts on accounts receivable									955,000
Threshold price								$ 1,000,000	$ 1,000,000
At The Market Offering
Purchase Agreements
Shares issued (in shares)													3,814,925
Sale of worth of shares													$ 1,300,000
Subsequent event
3(a)(9) Exchanges
Shares issued on conversion						1,413,606
Reduction in outstanding balance of notes						$ 1,800,000
Subsequent event | Securities Purchase Agreement
Purchase Agreements
Shares issued (in shares)				4,437,870
Common stock par value (in dollars per share)				$ 0.0001
Share issue price (in dollars per share)				$ 3.38
Amount of shares issued				$ 15,000,000
Investor’s transaction expenses				$ 1,400,000
Subsequent event | Royalty Purchase Agreement
Royalty Transaction
Payment of royalty	$ 10,000,000
Aggregate purchase price	$ 5,000,000
Percentage of net sales	10.00%
Percentage of worldwide revenues	10.00%
Subsequent event | 6-month anniversary | Royalty Purchase Agreement
Royalty Transaction
Minimum royalty payable	$ 250,000
Subsequent event | 12-month anniversary | Royalty Purchase Agreement
Royalty Transaction
Minimum royalty payable	400,000
Subsequent event | 18-month anniversary | Royalty Purchase Agreement
Royalty Transaction
Minimum royalty payable	600,000
Subsequent event | Beginning on the 18-month anniversary | Royalty Purchase Agreement
Royalty Transaction
Minimum royalty payable	$ 750,000
Subsequent event | Series 3 warrants
Series 3 Common Stock Purchase Warrant
Shares issued on exercise of warrants					406,250
Warrants or Rights Exercised					406,250
Warrant Exercise Inducement Offer, Warrants To Purchase Common Stock Exchanged		406,250
Warrant Exercise Inducement Offer, Warrants To Purchase Common Stock Issued		406,250
Subsequent event | PIPE Financing Warrants, Dec 2019
Subsequent Events.
Common stock issued upon exercise of warrants							1,250,000
Proceeds from exercise of warrants												$ 975,000
Subsequent event | Series 1 and Series 2 Warrants
Subsequent Events.
Common stock issued upon exercise of warrants							2,475,044
Proceeds from exercise of warrants							$ 1,200,000
Subsequent event | Secured promissory note
Purchase Agreements
Outstanding Balance, Percentage 25%			25.00%
Subsequent event | Secured promissory note | Notes Purchase and Security Agreements
Purchase Agreements
Aggregate principal amount			$ 6,200,000
Aggregate purchase price			6,000,000
Prepaid interest			196,000
Investor’s transaction expenses			$ 25,000
Interest rate (as a percent)			3.25%
Subsequent event | Secured promissory note | Minimum
Purchase Agreements
Percentage of return bonus			1.00%
Subsequent event | Secured promissory note | Maximum
Purchase Agreements
Percentage of return bonus			18.00%
Subsequent event | At The Market Offering
Purchase Agreements
Shares issued (in shares)											2,009,554
Sale of worth of shares											$ 5,500,000