Stock-Based Compensation (Details)	12 Months Ended
	Dec. 31, 2019 USD ($) Installment $ / shares shares	Dec. 31, 2018 USD ($) $ / shares shares	Dec. 31, 2019 USD ($) $ / shares shares	Dec. 31, 2018 USD ($) $ / shares shares
Share-based Payment Award [Line Items]
Deferred income tax expense (benefits) | $	$ 86,000	$ (53,000)
Stock based compensation expense related to cash-settled RSU's | $	(93,000)	(142,000)
Income tax benefit on stock based compensation | $	$ 86,000	(53,000)
Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Roll Forward]
Unrecognized compensation expense | $			$ 500,000
Weighted average remaining service period	11 months 23 days
Cash received from exercise of stock options | $	$ 127,000	136,000
Aggregate intrinsic value of stock options exercised | $	$ 0	$ 701,318
Restricted Stock Units [Member]
Share-based Payment Award [Line Items]
RSU's outstanding (in shares)	1,973,725	1,571,525	1,973,725	1,571,525
Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Nonvested RSUs, beginning balance (in shares)	1,571,525	1,634,663
RSUs granted (in shares)	918,459	428,526
RSUs forfeited	(64,172)	(140,997)
RSUs vested	(452,087)	(350,667)
Nonvested RSUs, ending balance (in shares)	1,973,725	1,571,525
Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Roll Forward]
Nonvested RSUs at beginning of period (in dollars per share) | $ / shares	$ 1.96	$ 1.96
RSUs granted (in dollars per share) | $ / shares	2.56	3.23
RSUs forfeited (in dollars per share) | $ / shares	3.12	2.47
RSUs vested (in dollars per share) | $ / shares	3.30	3.30
Nonvested RSUs at end of period (in dollars per share) | $ / shares	$ 1.49	$ 1.96
Restricted Stock Units [Member] | Minimum [Member]
Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Roll Forward]
Requisite service period for time-based RSU's	1 year
Restricted Stock Units [Member] | Maximum [Member]
Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Roll Forward]
Requisite service period for time-based RSU's	5 years
Long Term Incentive Stock Option Plan 1995 [Member]
Share-based Payment Award [Line Items]
Plan Expiration	Apr. 21, 2026
Number of shares authorized (in shares)			7,500,000
Share-based compensation arrangement by share-based payment award, number of shares issued upon exercise of options (in shares)			4,174,981
RSU's outstanding (in shares)	1,951,208		1,951,208
Stock options remaining to be granted (in shares)			1,599,241
Share based compensation expense | $	$ 1,420,000	$ 1,526,000
Share-based Payment Award, Options, Outstanding [Roll Forward]
Options outstanding, beginning balance (in shares)	55,000	1,046,833
Options granted (in shares)	0	0
Options exercised (in shares)	50,000	486,500
Options forfeited (in shares)	0	505,333
Options outstanding, ending balance (in shares)	5,000	55,000
Options expected to vest (in shares)			0	0
Options and warrants exercisable, ending balance (in shares)			5,000	55,000
Options, Outstanding, Weighted Average Exercise Price [Roll Forward]
Options outstanding, beginning balance (in dollars per share) | $ / shares	$ 1.87	$ 3.33
Options granted (in dollars per share) | $ / shares	0	0
Options exercised (in dollars per share) | $ / shares	1.89	1.88
Options forfeited (in dollars per share) | $ / shares	0	4.89
Options outstanding, ending balance (in dollars per share) | $ / shares	$ 1.65	$ 1.87
Options expected to vest (in dollars per share) | $ / shares			$ 0	$ 0
Options exercisable (in dollars per share) | $ / shares			$ 0	$ 0
Share-based Payment Award, Options, Additional Disclosures [Abstract]
Options outstanding | $			$ 0	$ 17,000
Options expected to vest | $			0	0
Options exercisable | $			$ 0	$ 0
Options outstanding	10 months 13 days	2 years 29 days
Options expected to vest	0 years	0 years
Options exercisable	0 years	0 years
Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested, Number of Shares [Roll Forward]
Options granted (in shares)	0	0
Options vested during the period (in shares)	0	24,000
Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Nonvested RSUs, ending balance (in shares)	1,951,208
Long Term Incentive Stock Option Plan 1995 [Member] | Installments One [Member]
Share-based Payment Award [Line Items]
Number of Installments | Installment	3
Long Term Incentive Stock Option Plan 1995 [Member] | Installments Two [Member]
Share-based Payment Award [Line Items]
Number of Installments | Installment	5
Long Term Incentive Stock Option Plan 1995 [Member] | Installments Three [Member]
Share-based Payment Award [Line Items]
Number of Installments | Installment	7
Long Term Incentive Stock Option Plan 1995 [Member] | Minimum [Member]
Share-based Payment Award [Line Items]
Term expiration for option to purchase shares	7 years
Long Term Incentive Stock Option Plan 1995 [Member] | Maximum [Member]
Share-based Payment Award [Line Items]
Term expiration for option to purchase shares	10 years