EQUITY, SHARE-BASED COMPENSATION, WARRANTS AND SECURITIES OFFERINGS, Restricted Stock Units (Details) - USD ($)		1 Months Ended	12 Months Ended
		Feb. 29, 2016	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Restricted Stock Award Activity, Number [Roll Forward]
Beginning balance, Nonvested (in shares)			193,965	384,744
Granted (in shares)			150,274	220,072
Vested (in shares)			(227,711)	(410,851)
Ending balance, Nonvested (in shares)			116,528	193,965	384,744
Restricted Stock Award Activity, Weighted Average Grant Date Fair Value [Abstract]
Beginning balance, Nonvested (in dollars per share)			$ 1.84	$ 0.94
Granted (in dollars per share)			2.88	1.83
Vested (in dollars per share)			1.99	1.00
Ending balance, Nonvested (in dollars per share)			$ 2.88	$ 1.84	$ 0.94
Restricted Stock Award Activity, Fair Value [Abstract]
Granted, Fair Value	[1]		$ 432,000	$ 403,000
Vested, Fair Value	[1]		613,000	763,000
Nonvested, Fair Value	[1]		$ 171,000	$ 582,000	$ 569,000
Unrecognized compensation amortizing period			6 months	6 months
Unrecognized Stock Compensation [Abstract]
Unrecognized stock compensation	[2]		$ 173,000	$ 176,000
Unrecognized stock compensation	[2]		$ 160,000	$ 173,000	$ 176,000
Weighted Average Remaining Vesting and Expense Period [Abstract]
Common stock issued (in shares)			150,274	220,072
Vested (in shares)			227,711	410,851
Restricted Stock Units [Member]
Restricted Stock Award Activity, Number [Roll Forward]
Granted (in shares)			1,148,062
Restricted Stock Award Activity, Fair Value [Abstract]
Retirement of unvested shares (in shares)			830,124
Weighted Average Remaining Vesting and Expense Period [Abstract]
Common stock issued (in shares)			1,148,062
Share-based Compensation assumptions used in valuing RSU grants [Abstract]
Assumed volatility, minimum			43.00%
Assumed volatility, maximum			44.00%
Assumed volatility				45.00%
Assumed volatility, weighted average			44.00%
Assumed risk free interest rate, minimum			1.40%	2.90%
Assumed risk free interest rate, maximum			2.30%	3.00%
Assumed risk free interest rate, weighted average			1.80%	3.00%
Expected dividends			$ 0	$ 0
Restricted Stock Units [Member] | Minimum [Member]
Weighted Average Remaining Vesting and Expense Period [Abstract]
Award vesting period			1 year
Restricted Stock Units [Member] | Maximum [Member]
Weighted Average Remaining Vesting and Expense Period [Abstract]
Award vesting period			5 years
Restricted Stock Units [Member] | Supplier [Member]
Restricted Stock Award Activity, Fair Value [Abstract]
Common stock issued for services (in shares)		950,000
Fixed price per share held in escrow by supplier (in dollars per share)		$ 2.80	$ 2.92	$ 2.41
Cumulative shares released from escrow (in shares)			119,896
Shares released from escrow during period (in shares)			20,640	39,934
Restricted Stock Units [Member] | Employees [Member]
Restricted Stock Award Activity, Number [Roll Forward]
Beginning balance, Nonvested (in shares)			1,215,000	1,175,000
Granted (in shares)			213,062	1,045,000
Cancelled (in shares)			0	(705,000)
Forfeited ( in shares)			(280,000)	(300,000)
Ending balance, Nonvested (in shares)			1,148,062	1,215,000	1,175,000
Unrecognized Stock Compensation [Abstract]
Unrecognized stock compensation			$ 683,000	$ 161,000
Granted			145,000	724,000
Cancelled			0	(31,000)
Forfeited			(227,000)	(69,000)
Expensed			(224,000)	(102,000)
Unrecognized stock compensation			$ 377,000	$ 683,000	$ 161,000
Weighted Average Remaining Vesting and Expense Period [Abstract]
Weighted average expense period (Years)			1 year 4 months 24 days	2 years 3 months 18 days	3 years
Granted			2 years 4 months 24 days	2 years 2 months 12 days
Common stock issued (in shares)			213,062	1,045,000
Vesting Price Equals or Exceeds $5.00 [Member] | Restricted Stock Units [Member]
Restricted Stock Award Activity, Number [Roll Forward]
Vested (in shares)			(114,806)
Weighted Average Remaining Vesting and Expense Period [Abstract]
Number of trading days			65 days
Vested (in shares)			114,806
Vesting price (in dollars per share)			$ 5.00
Vesting Price Equals or Exceeds $10.00 [Member] | Restricted Stock Units [Member]
Restricted Stock Award Activity, Number [Roll Forward]
Vested (in shares)			(344,419)
Weighted Average Remaining Vesting and Expense Period [Abstract]
Vested (in shares)			344,419
Vesting price (in dollars per share)			$ 10.00
Vesting Price Equals or Exceeds $15.00 [Member] | Restricted Stock Units [Member]
Restricted Stock Award Activity, Number [Roll Forward]
Vested (in shares)			(688,837)
Weighted Average Remaining Vesting and Expense Period [Abstract]
Vested (in shares)			688,837
Vesting price (in dollars per share)			$ 15.00

[1] Represents pre-tax fair value, based on our closing stock prices, which would have been received by the holders of the stock had all such holders sold their underlying shares on the date indicated, the dates of grant or the dates of vesting, as applicable.

[2] As of December 31, 2019 and 2018, unrecognized compensation is amortizing over a remaining period of 0.5 years.