Income Taxes (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Mar. 31, 2019
Income Tax Disclosure [Abstract]
Net operating loss carryover	$ 22,634	$ 23,327
Depreciable and amortizable assets	1,717	1,761
Share-based compensation	4,071	3,586
Accrued liabilities	57	57
Allowance for bad debts	106	120
Warrant derivative liabilities	(789)	(2,884)
Other	382	381
Total	28,178	26,348
Less: valuation allowance	(28,178)	(26,348)
Net deferred tax asset

Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards.

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Amount, after allocation of valuation allowances and deferred tax liability, of deferred tax asset attributable to deductible differences and carryforwards, without jurisdictional netting.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards.

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Amount, before allocation of valuation allowance, of deferred tax asset attributable to deductible temporary differences, classified as other.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from compensation and benefits costs.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from accrued liabilities.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from the allowance for doubtful accounts.

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Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.

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Amount, of deferred tax assets depreciable and amortizable assets.

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Amount of deferred tax assets warrant derivative liabilities.

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