Reverse Merger, Purchase Price (Details) - USD ($)		Mar. 15, 2019	Sep. 30, 2019	Mar. 14, 2019	Dec. 31, 2018
Purchase Price [Abstract]
Common stock shares outstanding (in shares)			5,278,850		3,417,187
Shares issued in Merger (in shares)		1,599,178
In-the-money shares paid out in cash (in shares)		753
Fractional shares paid out in cash (in shares)		235
Edge [Member]
Purchase Price [Abstract]
Number of shares of the combined company to be owned by Edge security holders (in shares)	[1]	1,600,166
Multiplied by the price per share of Edge's common stock as of March 15, 2019 (in dollars per share)		$ 9.87
Purchase price		$ 15,793,638
Common stock shares outstanding (in shares)				1,576,916
Number of stock options vested (in shares)		23,250

[1] The amount includes 1,576,916 shares of Edge's common stock outstanding as of March 15, 2019 plus 23,250 stock options of Edge that were in the money and vested immediately upon closing of the Merger. At closing, 753 of in-the-money options and 235 fractional shares paid out in cash to shareholders were not issued as common stock, resulting in 1,599,178 common shares issued.